diff --git a/CMakeLists.txt b/CMakeLists.txt
index abb9c7ffdb5..893dea2f191 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/cpack/CMakeCPackOptions.cmake b/cmake/cpack/CMakeCPackOptions.cmake
index 6c3b4c8526a..ee1b842f294 100644
--- a/cmake/cpack/CMakeCPackOptions.cmake
+++ b/cmake/cpack/CMakeCPackOptions.cmake
@@ -1,3 +1,17 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2023 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
 if(CPACK_GENERATOR MATCHES "DEB" OR CPACK_GENERATOR MATCHES "RPM")
 	list(APPEND CPACK_INSTALL_COMMANDS "mkdir -p _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
 	list(APPEND CPACK_INSTALL_COMMANDS "cp scripts/systemd/falco-kmod-inject.service _CPack_Packages/${CPACK_TOPLEVEL_TAG}/${CPACK_GENERATOR}/${CPACK_PACKAGE_FILE_NAME}/usr/lib/systemd/system")
diff --git a/cmake/modules/CPackConfig.cmake b/cmake/modules/CPackConfig.cmake
index f446a73308f..6935046be70 100644
--- a/cmake/modules/CPackConfig.cmake
+++ b/cmake/modules/CPackConfig.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/Coverage.cmake b/cmake/modules/Coverage.cmake
index 54a309dece8..b8a46e7ab37 100644
--- a/cmake/modules/Coverage.cmake
+++ b/cmake/modules/Coverage.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/copy_files_to_build_dir.cmake b/cmake/modules/copy_files_to_build_dir.cmake
index efa49a218c0..a3c3ab39249 100644
--- a/cmake/modules/copy_files_to_build_dir.cmake
+++ b/cmake/modules/copy_files_to_build_dir.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/cpp-httplib.cmake b/cmake/modules/cpp-httplib.cmake
index 212ea809ecb..ec588d6d992 100644
--- a/cmake/modules/cpp-httplib.cmake
+++ b/cmake/modules/cpp-httplib.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/cxxopts.cmake b/cmake/modules/cxxopts.cmake
index d75445acf3b..c371d044e50 100644
--- a/cmake/modules/cxxopts.cmake
+++ b/cmake/modules/cxxopts.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/driver-repo/CMakeLists.txt b/cmake/modules/driver-repo/CMakeLists.txt
index d300d4ba723..96f73aeb70c 100644
--- a/cmake/modules/driver-repo/CMakeLists.txt
+++ b/cmake/modules/driver-repo/CMakeLists.txt
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/driver.cmake b/cmake/modules/driver.cmake
index a5c91695137..64057825e21 100644
--- a/cmake/modules/driver.cmake
+++ b/cmake/modules/driver.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/falco-version.cmake b/cmake/modules/falco-version.cmake
index e68bbe4f1a9..81da8799f2e 100644
--- a/cmake/modules/falco-version.cmake
+++ b/cmake/modules/falco-version.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/falcoctl.cmake b/cmake/modules/falcoctl.cmake
index 52585b864a5..28fd494b682 100644
--- a/cmake/modules/falcoctl.cmake
+++ b/cmake/modules/falcoctl.cmake
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/modules/falcosecurity-libs-repo/CMakeLists.txt b/cmake/modules/falcosecurity-libs-repo/CMakeLists.txt
index 54f35e3d781..748737c7b43 100644
--- a/cmake/modules/falcosecurity-libs-repo/CMakeLists.txt
+++ b/cmake/modules/falcosecurity-libs-repo/CMakeLists.txt
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/falcosecurity-libs.cmake b/cmake/modules/falcosecurity-libs.cmake
index b79d2b5c304..13595e33505 100644
--- a/cmake/modules/falcosecurity-libs.cmake
+++ b/cmake/modules/falcosecurity-libs.cmake
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/modules/libyaml.cmake b/cmake/modules/libyaml.cmake
index 2c7c4cc1afa..b14ac5333f1 100644
--- a/cmake/modules/libyaml.cmake
+++ b/cmake/modules/libyaml.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/cmake/modules/njson.cmake b/cmake/modules/njson.cmake
index 1009da150d0..f4b3c79f985 100644
--- a/cmake/modules/njson.cmake
+++ b/cmake/modules/njson.cmake
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/modules/plugins.cmake b/cmake/modules/plugins.cmake
index da0b16e57c7..a39eeb03483 100644
--- a/cmake/modules/plugins.cmake
+++ b/cmake/modules/plugins.cmake
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/modules/rules.cmake b/cmake/modules/rules.cmake
index 1559c935548..2e996525065 100644
--- a/cmake/modules/rules.cmake
+++ b/cmake/modules/rules.cmake
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/cmake/modules/static-analysis.cmake b/cmake/modules/static-analysis.cmake
index c4954022f41..8ecf6f2771d 100644
--- a/cmake/modules/static-analysis.cmake
+++ b/cmake/modules/static-analysis.cmake
@@ -1,3 +1,17 @@
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright (C) 2023 The Falco Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations under the License.
+#
+
 # create the reports folder
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports)
 file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/static-analysis-reports/cppcheck)
diff --git a/cmake/modules/yaml-cpp.cmake b/cmake/modules/yaml-cpp.cmake
index b565ab706e5..79a46aa686d 100644
--- a/cmake/modules/yaml-cpp.cmake
+++ b/cmake/modules/yaml-cpp.cmake
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/docker/driver-loader-legacy/docker-entrypoint.sh b/docker/driver-loader-legacy/docker-entrypoint.sh
index 86659bd3409..cea5eac24b0 100755
--- a/docker/driver-loader-legacy/docker-entrypoint.sh
+++ b/docker/driver-loader-legacy/docker-entrypoint.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/docker/driver-loader/docker-entrypoint.sh b/docker/driver-loader/docker-entrypoint.sh
index 520dfa984dd..cea5eac24b0 100755
--- a/docker/driver-loader/docker-entrypoint.sh
+++ b/docker/driver-loader/docker-entrypoint.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -25,4 +26,4 @@ do
     ln -s "$i" "/usr/src/$base"
 done
 
-/usr/bin/falco-driver-loader "$@"
\ No newline at end of file
+/usr/bin/falco-driver-loader "$@"
diff --git a/docker/falco/docker-entrypoint.sh b/docker/falco/docker-entrypoint.sh
index 23b98d3c2ed..dbf9fcef9e2 100755
--- a/docker/falco/docker-entrypoint.sh
+++ b/docker/falco/docker-entrypoint.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -33,4 +34,4 @@ if [[ -z "${SKIP_DRIVER_LOADER}" ]]; then
     /usr/bin/falco-driver-loader "${falco_driver_loader_option_arr[@]}"
 fi
 
-exec "$@"
\ No newline at end of file
+exec "$@"
diff --git a/falco.yaml b/falco.yaml
index 79c713e8f4d..829fd486850 100644
--- a/falco.yaml
+++ b/falco.yaml
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index b1048d3d00d..4acf81d01d9 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2021 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/debian/postinst.in b/scripts/debian/postinst.in
index 72bd5dd739b..425981b5afb 100755
--- a/scripts/debian/postinst.in
+++ b/scripts/debian/postinst.in
@@ -1,6 +1,7 @@
 #!/bin/sh
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/debian/postrm.in b/scripts/debian/postrm.in
index 16bef26fb82..ede751a1ad2 100755
--- a/scripts/debian/postrm.in
+++ b/scripts/debian/postrm.in
@@ -1,6 +1,7 @@
 #!/bin/sh
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/debian/prerm.in b/scripts/debian/prerm.in
index 137f81e2f87..6015aeee402 100755
--- a/scripts/debian/prerm.in
+++ b/scripts/debian/prerm.in
@@ -1,6 +1,7 @@
 #!/bin/sh
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/falco-driver-loader b/scripts/falco-driver-loader
index 10ce487c319..1006fda01d3 100755
--- a/scripts/falco-driver-loader
+++ b/scripts/falco-driver-loader
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/ignored-calls.sh b/scripts/ignored-calls.sh
index ce66f04cf27..708960e202c 100755
--- a/scripts/ignored-calls.sh
+++ b/scripts/ignored-calls.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2020 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/rpm/postinstall.in b/scripts/rpm/postinstall.in
index bf1303c56f2..58ed2ec7c73 100755
--- a/scripts/rpm/postinstall.in
+++ b/scripts/rpm/postinstall.in
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/rpm/postuninstall.in b/scripts/rpm/postuninstall.in
index 58626323530..5bda655303c 100755
--- a/scripts/rpm/postuninstall.in
+++ b/scripts/rpm/postuninstall.in
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/scripts/rpm/preuninstall.in b/scripts/rpm/preuninstall.in
index 46ff293878f..7d2f457f372 100755
--- a/scripts/rpm/preuninstall.in
+++ b/scripts/rpm/preuninstall.in
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/unit_tests/CMakeLists.txt b/unit_tests/CMakeLists.txt
index 18b3815b4b5..69a568530a4 100644
--- a/unit_tests/CMakeLists.txt
+++ b/unit_tests/CMakeLists.txt
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 #
 # Copyright (C) 2023 The Falco Authors.
 #
diff --git a/unit_tests/engine/test_falco_utils.cpp b/unit_tests/engine/test_falco_utils.cpp
index bf22b271702..e84cc661768 100644
--- a/unit_tests/engine/test_falco_utils.cpp
+++ b/unit_tests/engine/test_falco_utils.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/engine/test_filter_details_resolver.cpp b/unit_tests/engine/test_filter_details_resolver.cpp
index d83c100d44b..28366ded0e6 100644
--- a/unit_tests/engine/test_filter_details_resolver.cpp
+++ b/unit_tests/engine/test_filter_details_resolver.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -46,4 +47,4 @@ TEST(DetailsResolver, resolve_ast)
     // Assert lists
     ASSERT_EQ(details.lists.size(), 1);
     ASSERT_NE(details.lists.find("known_procs"), details.lists.end());
-}
\ No newline at end of file
+}
diff --git a/unit_tests/engine/test_filter_macro_resolver.cpp b/unit_tests/engine/test_filter_macro_resolver.cpp
index 8f9b0d105be..fb66933d138 100644
--- a/unit_tests/engine/test_filter_macro_resolver.cpp
+++ b/unit_tests/engine/test_filter_macro_resolver.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/engine/test_filter_warning_resolver.cpp b/unit_tests/engine/test_filter_warning_resolver.cpp
index ada768b5041..71131bda87e 100644
--- a/unit_tests/engine/test_filter_warning_resolver.cpp
+++ b/unit_tests/engine/test_filter_warning_resolver.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/engine/test_plugin_requirements.cpp b/unit_tests/engine/test_plugin_requirements.cpp
index 63a10055251..74816086256 100644
--- a/unit_tests/engine/test_plugin_requirements.cpp
+++ b/unit_tests/engine/test_plugin_requirements.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/engine/test_rulesets.cpp b/unit_tests/engine/test_rulesets.cpp
index 67e02657f49..d0218b45d2a 100644
--- a/unit_tests/engine/test_rulesets.cpp
+++ b/unit_tests/engine/test_rulesets.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/falco/app/actions/app_action_helpers.h b/unit_tests/falco/app/actions/app_action_helpers.h
index 7e5cf026583..7467efee433 100644
--- a/unit_tests/falco/app/actions/app_action_helpers.h
+++ b/unit_tests/falco/app/actions/app_action_helpers.h
@@ -1,3 +1,19 @@
+// SPDX-License-Identifier: Apache-2.0
+/*
+Copyright (C) 2023 The Falco Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
 #pragma once
 #include <gtest/gtest.h>
 #include <falco/app/state.h>
diff --git a/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp b/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
index c98192bce40..277832d7821 100644
--- a/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
+++ b/unit_tests/falco/app/actions/test_configure_interesting_sets.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/falco/app/actions/test_configure_syscall_buffer_num.cpp b/unit_tests/falco/app/actions/test_configure_syscall_buffer_num.cpp
index ccba0e9eac5..5f15e6d31a8 100644
--- a/unit_tests/falco/app/actions/test_configure_syscall_buffer_num.cpp
+++ b/unit_tests/falco/app/actions/test_configure_syscall_buffer_num.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/falco/app/actions/test_select_event_sources.cpp b/unit_tests/falco/app/actions/test_select_event_sources.cpp
index f7dca5881a2..8ae4b58eda1 100644
--- a/unit_tests/falco/app/actions/test_select_event_sources.cpp
+++ b/unit_tests/falco/app/actions/test_select_event_sources.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/unit_tests/falco/test_atomic_signal_handler.cpp b/unit_tests/falco/test_atomic_signal_handler.cpp
index a2e8accfe9d..5d08a06c94c 100644
--- a/unit_tests/falco/test_atomic_signal_handler.cpp
+++ b/unit_tests/falco/test_atomic_signal_handler.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -128,4 +129,4 @@ TEST(AtomicSignalHandler, handle_and_reset)
 	ASSERT_FALSE(handler.triggered());
 	ASSERT_FALSE(handler.handled());
 	ASSERT_FALSE(handler.handle(do_nothing));
-}
\ No newline at end of file
+}
diff --git a/unit_tests/falco/test_configuration.cpp b/unit_tests/falco/test_configuration.cpp
index d3e95a776c7..d109005e070 100644
--- a/unit_tests/falco/test_configuration.cpp
+++ b/unit_tests/falco/test_configuration.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/engine/CMakeLists.txt b/userspace/engine/CMakeLists.txt
index 8995f83bbd1..8aecac06738 100644
--- a/userspace/engine/CMakeLists.txt
+++ b/userspace/engine/CMakeLists.txt
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2019 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/userspace/engine/banned.h b/userspace/engine/banned.h
index 829d32e1e8f..31ee57a83ef 100644
--- a/userspace/engine/banned.h
+++ b/userspace/engine/banned.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/engine/evttype_index_ruleset.cpp b/userspace/engine/evttype_index_ruleset.cpp
index 2a1839f4ade..4a4311973e3 100644
--- a/userspace/engine/evttype_index_ruleset.cpp
+++ b/userspace/engine/evttype_index_ruleset.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/evttype_index_ruleset.h b/userspace/engine/evttype_index_ruleset.h
index 0d2df0f6a2f..6eac80786ed 100644
--- a/userspace/engine/evttype_index_ruleset.h
+++ b/userspace/engine/evttype_index_ruleset.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_common.cpp b/userspace/engine/falco_common.cpp
index 9cf27d636b3..f1c1fc139c2 100644
--- a/userspace/engine/falco_common.cpp
+++ b/userspace/engine/falco_common.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -116,4 +117,4 @@ bool falco_common::parse_rule_matching(std::string v, rule_matching& out)
 		}
 	}
 	return false;
-}
\ No newline at end of file
+}
diff --git a/userspace/engine/falco_common.h b/userspace/engine/falco_common.h
index acc1030eb60..aa4f39e93e9 100644
--- a/userspace/engine/falco_common.h
+++ b/userspace/engine/falco_common.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_engine.cpp b/userspace/engine/falco_engine.cpp
index e1465c5779d..505237aa63d 100644
--- a/userspace/engine/falco_engine.cpp
+++ b/userspace/engine/falco_engine.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_engine.h b/userspace/engine/falco_engine.h
index 36f58221426..cb24e3c6c12 100644
--- a/userspace/engine/falco_engine.h
+++ b/userspace/engine/falco_engine.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_engine_version.h b/userspace/engine/falco_engine_version.h
index f3937071cfc..94b811c9303 100644
--- a/userspace/engine/falco_engine_version.h
+++ b/userspace/engine/falco_engine_version.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/engine/falco_load_result.cpp b/userspace/engine/falco_load_result.cpp
index 7e0f384ec69..fec4b051af9 100644
--- a/userspace/engine/falco_load_result.cpp
+++ b/userspace/engine/falco_load_result.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_load_result.h b/userspace/engine/falco_load_result.h
index 0f831562c46..a2072be9187 100644
--- a/userspace/engine/falco_load_result.h
+++ b/userspace/engine/falco_load_result.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_rule.h b/userspace/engine/falco_rule.h
index 079221f57f7..482f1357159 100644
--- a/userspace/engine/falco_rule.h
+++ b/userspace/engine/falco_rule.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_source.h b/userspace/engine/falco_source.h
index 7823f7b8971..b81eb8b271d 100644
--- a/userspace/engine/falco_source.h
+++ b/userspace/engine/falco_source.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/falco_utils.cpp b/userspace/engine/falco_utils.cpp
index b4618939e3f..90effe1426b 100644
--- a/userspace/engine/falco_utils.cpp
+++ b/userspace/engine/falco_utils.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2016-2018 The Falco Authors.
 
diff --git a/userspace/engine/falco_utils.h b/userspace/engine/falco_utils.h
index 9c149b08301..38bc5c9f6fa 100644
--- a/userspace/engine/falco_utils.h
+++ b/userspace/engine/falco_utils.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2016-2018 The Falco Authors.
 
diff --git a/userspace/engine/filter_details_resolver.cpp b/userspace/engine/filter_details_resolver.cpp
index e7c9757c5e8..7130ab11d53 100644
--- a/userspace/engine/filter_details_resolver.cpp
+++ b/userspace/engine/filter_details_resolver.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -100,4 +101,4 @@ void filter_details_resolver::visitor::visit(ast::value_expr* e)
 
 		m_details.macros.insert(e->value);
 	}
-}
\ No newline at end of file
+}
diff --git a/userspace/engine/filter_details_resolver.h b/userspace/engine/filter_details_resolver.h
index 01a9b33c3e9..bbf2534a789 100644
--- a/userspace/engine/filter_details_resolver.h
+++ b/userspace/engine/filter_details_resolver.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/engine/filter_macro_resolver.cpp b/userspace/engine/filter_macro_resolver.cpp
index b90c80d226f..556c6b95c82 100644
--- a/userspace/engine/filter_macro_resolver.cpp
+++ b/userspace/engine/filter_macro_resolver.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/filter_macro_resolver.h b/userspace/engine/filter_macro_resolver.h
index 4c3888e6cae..e7377705ffe 100644
--- a/userspace/engine/filter_macro_resolver.h
+++ b/userspace/engine/filter_macro_resolver.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/filter_ruleset.h b/userspace/engine/filter_ruleset.h
index 2bceb38cf51..e84af57f285 100644
--- a/userspace/engine/filter_ruleset.h
+++ b/userspace/engine/filter_ruleset.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/filter_warning_resolver.cpp b/userspace/engine/filter_warning_resolver.cpp
index 55be306b3c8..45e477a765d 100644
--- a/userspace/engine/filter_warning_resolver.cpp
+++ b/userspace/engine/filter_warning_resolver.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/filter_warning_resolver.h b/userspace/engine/filter_warning_resolver.h
index 8bc796e1798..8479b7e491d 100644
--- a/userspace/engine/filter_warning_resolver.h
+++ b/userspace/engine/filter_warning_resolver.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/formats.cpp b/userspace/engine/formats.cpp
index ea487572dca..90877f60e67 100644
--- a/userspace/engine/formats.cpp
+++ b/userspace/engine/formats.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/formats.h b/userspace/engine/formats.h
index c6e42222bfe..a4306b4e353 100644
--- a/userspace/engine/formats.h
+++ b/userspace/engine/formats.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/indexed_vector.h b/userspace/engine/indexed_vector.h
index b4f9bac7923..13a25a9bcfe 100644
--- a/userspace/engine/indexed_vector.h
+++ b/userspace/engine/indexed_vector.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/json_evt.cpp b/userspace/engine/json_evt.cpp
index 5b9250d9b6c..9a5b843327f 100644
--- a/userspace/engine/json_evt.cpp
+++ b/userspace/engine/json_evt.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/json_evt.h b/userspace/engine/json_evt.h
index ae6f635644c..254d7e59f72 100644
--- a/userspace/engine/json_evt.h
+++ b/userspace/engine/json_evt.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader.cpp b/userspace/engine/rule_loader.cpp
index 68b427e99b1..d4076412910 100644
--- a/userspace/engine/rule_loader.cpp
+++ b/userspace/engine/rule_loader.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader.h b/userspace/engine/rule_loader.h
index 3fcabb81556..44481fc50df 100644
--- a/userspace/engine/rule_loader.h
+++ b/userspace/engine/rule_loader.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_collector.cpp b/userspace/engine/rule_loader_collector.cpp
index 89ed49a4546..ffd52b89f49 100644
--- a/userspace/engine/rule_loader_collector.cpp
+++ b/userspace/engine/rule_loader_collector.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_collector.h b/userspace/engine/rule_loader_collector.h
index bc773813548..d5e3402c264 100644
--- a/userspace/engine/rule_loader_collector.h
+++ b/userspace/engine/rule_loader_collector.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_compiler.cpp b/userspace/engine/rule_loader_compiler.cpp
index e6aa90a3c8b..074c9da7bdd 100644
--- a/userspace/engine/rule_loader_compiler.cpp
+++ b/userspace/engine/rule_loader_compiler.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_compiler.h b/userspace/engine/rule_loader_compiler.h
index 8cc04080994..699d74b6159 100644
--- a/userspace/engine/rule_loader_compiler.h
+++ b/userspace/engine/rule_loader_compiler.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_reader.cpp b/userspace/engine/rule_loader_reader.cpp
index 71ebfde4d76..f12ab870a83 100644
--- a/userspace/engine/rule_loader_reader.cpp
+++ b/userspace/engine/rule_loader_reader.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/rule_loader_reader.h b/userspace/engine/rule_loader_reader.h
index f61dc630fd2..d455650eab4 100644
--- a/userspace/engine/rule_loader_reader.h
+++ b/userspace/engine/rule_loader_reader.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -42,4 +43,4 @@ class reader
 	virtual bool read(configuration& cfg, collector& loader);
 };
 
-}; // namespace rule_loader
\ No newline at end of file
+}; // namespace rule_loader
diff --git a/userspace/engine/stats_manager.cpp b/userspace/engine/stats_manager.cpp
index 7d07e7c0905..261f8ac1021 100644
--- a/userspace/engine/stats_manager.cpp
+++ b/userspace/engine/stats_manager.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/engine/stats_manager.h b/userspace/engine/stats_manager.h
index 48018e9c0da..d07ad44ec19 100644
--- a/userspace/engine/stats_manager.h
+++ b/userspace/engine/stats_manager.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -70,4 +71,4 @@ class stats_manager
 	std::atomic<uint64_t> m_total;
 	std::vector<std::unique_ptr<std::atomic<uint64_t>>> m_by_priority;
 	std::vector<std::unique_ptr<std::atomic<uint64_t>>> m_by_rule_id;
-};
\ No newline at end of file
+};
diff --git a/userspace/falco/CMakeLists.txt b/userspace/falco/CMakeLists.txt
index 171c4c1af68..973655f2dcc 100644
--- a/userspace/falco/CMakeLists.txt
+++ b/userspace/falco/CMakeLists.txt
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: Apache-2.0
 #
-# Copyright (C) 2022 The Falco Authors.
+# Copyright (C) 2023 The Falco Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 # the License. You may obtain a copy of the License at
diff --git a/userspace/falco/app/actions/actions.h b/userspace/falco/app/actions/actions.h
index 840b6d76fc6..5f8db767fc8 100644
--- a/userspace/falco/app/actions/actions.h
+++ b/userspace/falco/app/actions/actions.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/configure_interesting_sets.cpp b/userspace/falco/app/actions/configure_interesting_sets.cpp
index ac8ccae520c..8f9c31de3f0 100644
--- a/userspace/falco/app/actions/configure_interesting_sets.cpp
+++ b/userspace/falco/app/actions/configure_interesting_sets.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/configure_syscall_buffer_num.cpp b/userspace/falco/app/actions/configure_syscall_buffer_num.cpp
index b06f3bba280..27b1ef67620 100644
--- a/userspace/falco/app/actions/configure_syscall_buffer_num.cpp
+++ b/userspace/falco/app/actions/configure_syscall_buffer_num.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/configure_syscall_buffer_size.cpp b/userspace/falco/app/actions/configure_syscall_buffer_size.cpp
index 11be185fbe5..11468045a11 100644
--- a/userspace/falco/app/actions/configure_syscall_buffer_size.cpp
+++ b/userspace/falco/app/actions/configure_syscall_buffer_size.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/create_requested_paths.cpp b/userspace/falco/app/actions/create_requested_paths.cpp
index 55bada74a70..e87f45f054e 100644
--- a/userspace/falco/app/actions/create_requested_paths.cpp
+++ b/userspace/falco/app/actions/create_requested_paths.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/create_signal_handlers.cpp b/userspace/falco/app/actions/create_signal_handlers.cpp
index f68798ac136..b688ec6188e 100644
--- a/userspace/falco/app/actions/create_signal_handlers.cpp
+++ b/userspace/falco/app/actions/create_signal_handlers.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/helpers.h b/userspace/falco/app/actions/helpers.h
index 6c8c22a7ebc..6dfc229c920 100644
--- a/userspace/falco/app/actions/helpers.h
+++ b/userspace/falco/app/actions/helpers.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/helpers_generic.cpp b/userspace/falco/app/actions/helpers_generic.cpp
index 73500dca5f2..75217d801aa 100644
--- a/userspace/falco/app/actions/helpers_generic.cpp
+++ b/userspace/falco/app/actions/helpers_generic.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/helpers_inspector.cpp b/userspace/falco/app/actions/helpers_inspector.cpp
index f6515a2daac..bd7b682fbaa 100644
--- a/userspace/falco/app/actions/helpers_inspector.cpp
+++ b/userspace/falco/app/actions/helpers_inspector.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/init_clients.cpp b/userspace/falco/app/actions/init_clients.cpp
index 9bfa794050f..48f53da45b6 100644
--- a/userspace/falco/app/actions/init_clients.cpp
+++ b/userspace/falco/app/actions/init_clients.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/init_falco_engine.cpp b/userspace/falco/app/actions/init_falco_engine.cpp
index a32e804fb63..358c60e2c70 100644
--- a/userspace/falco/app/actions/init_falco_engine.cpp
+++ b/userspace/falco/app/actions/init_falco_engine.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/init_inspectors.cpp b/userspace/falco/app/actions/init_inspectors.cpp
index 88dea76e82e..5e958fc21c4 100644
--- a/userspace/falco/app/actions/init_inspectors.cpp
+++ b/userspace/falco/app/actions/init_inspectors.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/init_outputs.cpp b/userspace/falco/app/actions/init_outputs.cpp
index 7fd32d52b83..2e8afbedd08 100644
--- a/userspace/falco/app/actions/init_outputs.cpp
+++ b/userspace/falco/app/actions/init_outputs.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/list_fields.cpp b/userspace/falco/app/actions/list_fields.cpp
index 0348b0d2499..6b0707af731 100644
--- a/userspace/falco/app/actions/list_fields.cpp
+++ b/userspace/falco/app/actions/list_fields.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/list_plugins.cpp b/userspace/falco/app/actions/list_plugins.cpp
index 3aee1d75caa..8c9c6702cac 100644
--- a/userspace/falco/app/actions/list_plugins.cpp
+++ b/userspace/falco/app/actions/list_plugins.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/load_config.cpp b/userspace/falco/app/actions/load_config.cpp
index b5730b80f21..8f093912f2d 100644
--- a/userspace/falco/app/actions/load_config.cpp
+++ b/userspace/falco/app/actions/load_config.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -78,4 +79,4 @@ falco::app::run_result falco::app::actions::require_config_file(falco::app::stat
 	}
 #endif // __EMSCRIPTEN__
 	return run_result::ok();
-}
\ No newline at end of file
+}
diff --git a/userspace/falco/app/actions/load_plugins.cpp b/userspace/falco/app/actions/load_plugins.cpp
index 9086db00c7d..2ee16f68756 100644
--- a/userspace/falco/app/actions/load_plugins.cpp
+++ b/userspace/falco/app/actions/load_plugins.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/load_rules_files.cpp b/userspace/falco/app/actions/load_rules_files.cpp
index 49f1b0b7b1c..592b018471b 100644
--- a/userspace/falco/app/actions/load_rules_files.cpp
+++ b/userspace/falco/app/actions/load_rules_files.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/pidfile.cpp b/userspace/falco/app/actions/pidfile.cpp
index 2116d65f897..109f2e6eb23 100644
--- a/userspace/falco/app/actions/pidfile.cpp
+++ b/userspace/falco/app/actions/pidfile.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_generated_gvisor_config.cpp b/userspace/falco/app/actions/print_generated_gvisor_config.cpp
index f12bb567f2f..758547e6a92 100644
--- a/userspace/falco/app/actions/print_generated_gvisor_config.cpp
+++ b/userspace/falco/app/actions/print_generated_gvisor_config.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_help.cpp b/userspace/falco/app/actions/print_help.cpp
index 9cfdd14e668..ac6b5b4c6db 100644
--- a/userspace/falco/app/actions/print_help.cpp
+++ b/userspace/falco/app/actions/print_help.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_ignored_events.cpp b/userspace/falco/app/actions/print_ignored_events.cpp
index f77e33fd9d8..44c2d3757e6 100644
--- a/userspace/falco/app/actions/print_ignored_events.cpp
+++ b/userspace/falco/app/actions/print_ignored_events.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_page_size.cpp b/userspace/falco/app/actions/print_page_size.cpp
index bee0d3e961d..508c6252bdd 100644
--- a/userspace/falco/app/actions/print_page_size.cpp
+++ b/userspace/falco/app/actions/print_page_size.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_plugin_info.cpp b/userspace/falco/app/actions/print_plugin_info.cpp
index 35b5b7fa5ce..8251ef1f620 100644
--- a/userspace/falco/app/actions/print_plugin_info.cpp
+++ b/userspace/falco/app/actions/print_plugin_info.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -106,4 +107,4 @@ falco::app::run_result falco::app::actions::print_plugin_info(falco::app::state&
 	}
 
 	return run_result::ok();
-}
\ No newline at end of file
+}
diff --git a/userspace/falco/app/actions/print_support.cpp b/userspace/falco/app/actions/print_support.cpp
index d3e8c645e38..0f18d716a78 100644
--- a/userspace/falco/app/actions/print_support.cpp
+++ b/userspace/falco/app/actions/print_support.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_syscall_events.cpp b/userspace/falco/app/actions/print_syscall_events.cpp
index e3ef70e55bc..71d2b0dbdbd 100644
--- a/userspace/falco/app/actions/print_syscall_events.cpp
+++ b/userspace/falco/app/actions/print_syscall_events.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/print_version.cpp b/userspace/falco/app/actions/print_version.cpp
index 6aabbcee9e3..bcf1cbf346b 100644
--- a/userspace/falco/app/actions/print_version.cpp
+++ b/userspace/falco/app/actions/print_version.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/process_events.cpp b/userspace/falco/app/actions/process_events.cpp
index 50ac60d7c31..f5fdec4557e 100644
--- a/userspace/falco/app/actions/process_events.cpp
+++ b/userspace/falco/app/actions/process_events.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/select_event_sources.cpp b/userspace/falco/app/actions/select_event_sources.cpp
index 78e52a6ef24..ff1b3556c59 100644
--- a/userspace/falco/app/actions/select_event_sources.cpp
+++ b/userspace/falco/app/actions/select_event_sources.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -65,4 +66,4 @@ falco::app::run_result falco::app::actions::select_event_sources(falco::app::sta
 	}
 
 	return run_result::ok();
-}
\ No newline at end of file
+}
diff --git a/userspace/falco/app/actions/start_grpc_server.cpp b/userspace/falco/app/actions/start_grpc_server.cpp
index 8c432e0f018..7d52aad955a 100644
--- a/userspace/falco/app/actions/start_grpc_server.cpp
+++ b/userspace/falco/app/actions/start_grpc_server.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/start_webserver.cpp b/userspace/falco/app/actions/start_webserver.cpp
index 7805b0fc491..a6f5b0c3073 100644
--- a/userspace/falco/app/actions/start_webserver.cpp
+++ b/userspace/falco/app/actions/start_webserver.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/actions/validate_rules_files.cpp b/userspace/falco/app/actions/validate_rules_files.cpp
index 2b4851dbac2..afc1e6f4f53 100644
--- a/userspace/falco/app/actions/validate_rules_files.cpp
+++ b/userspace/falco/app/actions/validate_rules_files.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/app.cpp b/userspace/falco/app/app.cpp
index b18000e5e98..b35674bd986 100644
--- a/userspace/falco/app/app.cpp
+++ b/userspace/falco/app/app.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/app.h b/userspace/falco/app/app.h
index c8f11f3c305..016f2959fe0 100644
--- a/userspace/falco/app/app.h
+++ b/userspace/falco/app/app.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/options.cpp b/userspace/falco/app/options.cpp
index 63818046be2..01d95282389 100644
--- a/userspace/falco/app/options.cpp
+++ b/userspace/falco/app/options.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/options.h b/userspace/falco/app/options.h
index e9183446fc7..2c547449162 100644
--- a/userspace/falco/app/options.h
+++ b/userspace/falco/app/options.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/restart_handler.cpp b/userspace/falco/app/restart_handler.cpp
index da44840d7e1..fcd92de6da6 100644
--- a/userspace/falco/app/restart_handler.cpp
+++ b/userspace/falco/app/restart_handler.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/restart_handler.h b/userspace/falco/app/restart_handler.h
index 6a81adae8f6..da46abed5f7 100644
--- a/userspace/falco/app/restart_handler.h
+++ b/userspace/falco/app/restart_handler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/run_result.h b/userspace/falco/app/run_result.h
index cffbe9686c8..506febd8c52 100644
--- a/userspace/falco/app/run_result.h
+++ b/userspace/falco/app/run_result.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/signals.h b/userspace/falco/app/signals.h
index aa85f0c3027..a95ea6b1b6f 100644
--- a/userspace/falco/app/signals.h
+++ b/userspace/falco/app/signals.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/app/state.h b/userspace/falco/app/state.h
index cff9f484278..dd74c1fd89e 100644
--- a/userspace/falco/app/state.h
+++ b/userspace/falco/app/state.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/atomic_signal_handler.h b/userspace/falco/atomic_signal_handler.h
index fa182731b6e..001f15310a0 100644
--- a/userspace/falco/atomic_signal_handler.h
+++ b/userspace/falco/atomic_signal_handler.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/config_falco.h.in b/userspace/falco/config_falco.h.in
index 398b1d784f5..9c090b22a8a 100644
--- a/userspace/falco/config_falco.h.in
+++ b/userspace/falco/config_falco.h.in
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/configuration.cpp b/userspace/falco/configuration.cpp
index 3e45b19e0f9..a884734a97b 100644
--- a/userspace/falco/configuration.cpp
+++ b/userspace/falco/configuration.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/configuration.h b/userspace/falco/configuration.h
index c1a595d0a96..2a2ed20cfd8 100644
--- a/userspace/falco/configuration.h
+++ b/userspace/falco/configuration.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/event_drops.cpp b/userspace/falco/event_drops.cpp
index 9b37afdd8b1..07509050e7f 100644
--- a/userspace/falco/event_drops.cpp
+++ b/userspace/falco/event_drops.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2021 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/event_drops.h b/userspace/falco/event_drops.h
index ff8d78b62d3..31255bc06a0 100644
--- a/userspace/falco/event_drops.h
+++ b/userspace/falco/event_drops.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2021 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/falco.cpp b/userspace/falco/falco.cpp
index 71d42b4000d..c12040eed7b 100644
--- a/userspace/falco/falco.cpp
+++ b/userspace/falco/falco.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/falco_outputs.cpp b/userspace/falco/falco_outputs.cpp
index 21bef081774..44b3ba31610 100644
--- a/userspace/falco/falco_outputs.cpp
+++ b/userspace/falco/falco_outputs.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/falco_outputs.h b/userspace/falco/falco_outputs.h
index 45d9314166c..6a9c8b3cc8e 100644
--- a/userspace/falco/falco_outputs.h
+++ b/userspace/falco/falco_outputs.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/falco_semaphore.h b/userspace/falco/falco_semaphore.h
index f60f1e877db..aecf11497de 100644
--- a/userspace/falco/falco_semaphore.h
+++ b/userspace/falco/falco_semaphore.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_context.cpp b/userspace/falco/grpc_context.cpp
index c0411e2eae7..0709274afa2 100644
--- a/userspace/falco/grpc_context.cpp
+++ b/userspace/falco/grpc_context.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_context.h b/userspace/falco/grpc_context.h
index 1320d41d430..fd402821dda 100644
--- a/userspace/falco/grpc_context.h
+++ b/userspace/falco/grpc_context.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_queue.h b/userspace/falco/grpc_queue.h
index c05d3327e6e..2f6c02eeb86 100644
--- a/userspace/falco/grpc_queue.h
+++ b/userspace/falco/grpc_queue.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_request_context.cpp b/userspace/falco/grpc_request_context.cpp
index 194fb442975..ec26d28120b 100644
--- a/userspace/falco/grpc_request_context.cpp
+++ b/userspace/falco/grpc_request_context.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2016-2019 The Falco Authors
 
diff --git a/userspace/falco/grpc_request_context.h b/userspace/falco/grpc_request_context.h
index 1b4878ecd09..4f279fb7551 100644
--- a/userspace/falco/grpc_request_context.h
+++ b/userspace/falco/grpc_request_context.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2016-2019 The Falco Authors
 
diff --git a/userspace/falco/grpc_server.cpp b/userspace/falco/grpc_server.cpp
index e116963566c..a62dc4870e6 100644
--- a/userspace/falco/grpc_server.cpp
+++ b/userspace/falco/grpc_server.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_server.h b/userspace/falco/grpc_server.h
index 352204e1888..9df21998bba 100644
--- a/userspace/falco/grpc_server.h
+++ b/userspace/falco/grpc_server.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_server_impl.cpp b/userspace/falco/grpc_server_impl.cpp
index f9bb941315e..b298ad91306 100644
--- a/userspace/falco/grpc_server_impl.cpp
+++ b/userspace/falco/grpc_server_impl.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/grpc_server_impl.h b/userspace/falco/grpc_server_impl.h
index b085f76ecb7..36f8d57423c 100644
--- a/userspace/falco/grpc_server_impl.h
+++ b/userspace/falco/grpc_server_impl.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2019 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/logger.cpp b/userspace/falco/logger.cpp
index 50cff5699a3..48ffd601616 100644
--- a/userspace/falco/logger.cpp
+++ b/userspace/falco/logger.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/logger.h b/userspace/falco/logger.h
index 1cd95dc2d3c..febadd38350 100644
--- a/userspace/falco/logger.h
+++ b/userspace/falco/logger.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs.h b/userspace/falco/outputs.h
index 0ad01d85dae..ac00f4544fa 100644
--- a/userspace/falco/outputs.h
+++ b/userspace/falco/outputs.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs.proto b/userspace/falco/outputs.proto
index b2d35adcccb..0e72f9e0efb 100644
--- a/userspace/falco/outputs.proto
+++ b/userspace/falco/outputs.proto
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -52,4 +53,4 @@ message response {
   string hostname = 7;
   repeated string tags = 8;
   string source = 9;
-}
\ No newline at end of file
+}
diff --git a/userspace/falco/outputs_file.cpp b/userspace/falco/outputs_file.cpp
index fa22fbc6b05..c6131a33602 100644
--- a/userspace/falco/outputs_file.cpp
+++ b/userspace/falco/outputs_file.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_file.h b/userspace/falco/outputs_file.h
index 0fff6ff7581..0849c84636d 100644
--- a/userspace/falco/outputs_file.h
+++ b/userspace/falco/outputs_file.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_grpc.cpp b/userspace/falco/outputs_grpc.cpp
index 29dfaa50049..5ffb80b1500 100644
--- a/userspace/falco/outputs_grpc.cpp
+++ b/userspace/falco/outputs_grpc.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -103,4 +104,4 @@ void falco::outputs::output_grpc::output(const message *msg)
 	*source = msg->source;
 
 	falco::grpc::queue::get().push(grpc_res);
-}
\ No newline at end of file
+}
diff --git a/userspace/falco/outputs_grpc.h b/userspace/falco/outputs_grpc.h
index 6cfb4c80906..90166b2d756 100644
--- a/userspace/falco/outputs_grpc.h
+++ b/userspace/falco/outputs_grpc.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_http.cpp b/userspace/falco/outputs_http.cpp
index b07c41db11f..e735b235b58 100644
--- a/userspace/falco/outputs_http.cpp
+++ b/userspace/falco/outputs_http.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_http.h b/userspace/falco/outputs_http.h
index 0e715dcbebc..1f17269e659 100644
--- a/userspace/falco/outputs_http.h
+++ b/userspace/falco/outputs_http.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_program.cpp b/userspace/falco/outputs_program.cpp
index 3c4492c5287..cc7f44c9292 100644
--- a/userspace/falco/outputs_program.cpp
+++ b/userspace/falco/outputs_program.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_program.h b/userspace/falco/outputs_program.h
index 1b6ba33d73f..620b8a6a0b4 100644
--- a/userspace/falco/outputs_program.h
+++ b/userspace/falco/outputs_program.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_stdout.cpp b/userspace/falco/outputs_stdout.cpp
index e2b962e2ceb..9eb8e957c67 100644
--- a/userspace/falco/outputs_stdout.cpp
+++ b/userspace/falco/outputs_stdout.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_stdout.h b/userspace/falco/outputs_stdout.h
index e16bdb50ea9..34be5292e8b 100644
--- a/userspace/falco/outputs_stdout.h
+++ b/userspace/falco/outputs_stdout.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_syslog.cpp b/userspace/falco/outputs_syslog.cpp
index dc779bf9766..99578d3e46d 100644
--- a/userspace/falco/outputs_syslog.cpp
+++ b/userspace/falco/outputs_syslog.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors
+Copyright (C) 2023 The Falco Authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/outputs_syslog.h b/userspace/falco/outputs_syslog.h
index 6ea92aff2b3..8d22b8412c3 100644
--- a/userspace/falco/outputs_syslog.h
+++ b/userspace/falco/outputs_syslog.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/schema.proto b/userspace/falco/schema.proto
index 10e564bc5c5..00939c12de7 100644
--- a/userspace/falco/schema.proto
+++ b/userspace/falco/schema.proto
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/stats_writer.cpp b/userspace/falco/stats_writer.cpp
index c4589a8fbaa..dc83ab9cb13 100644
--- a/userspace/falco/stats_writer.cpp
+++ b/userspace/falco/stats_writer.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/stats_writer.h b/userspace/falco/stats_writer.h
index 42a183e7825..b126367b532 100644
--- a/userspace/falco/stats_writer.h
+++ b/userspace/falco/stats_writer.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
@@ -153,4 +154,4 @@ class stats_writer
 
 	// note: in this way, only collectors can push into the queue
 	friend class stats_writer::collector;
-};
\ No newline at end of file
+};
diff --git a/userspace/falco/version.proto b/userspace/falco/version.proto
index a98c1a5c13c..2fb9e43ae0f 100644
--- a/userspace/falco/version.proto
+++ b/userspace/falco/version.proto
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/versions_info.cpp b/userspace/falco/versions_info.cpp
index c596a8d4f95..7c2ead10cee 100644
--- a/userspace/falco/versions_info.cpp
+++ b/userspace/falco/versions_info.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/versions_info.h b/userspace/falco/versions_info.h
index 0f63ac74a78..570a6b3f550 100644
--- a/userspace/falco/versions_info.h
+++ b/userspace/falco/versions_info.h
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
 Copyright (C) 2023 The Falco Authors.
 
diff --git a/userspace/falco/watchdog.h b/userspace/falco/watchdog.h
index bb4e03b920b..4527c4a4efc 100644
--- a/userspace/falco/watchdog.h
+++ b/userspace/falco/watchdog.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2020 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -93,4 +94,4 @@ class watchdog
 	std::atomic<timeout_data *> m_timeout;
 	std::atomic<bool> m_is_running;
 	std::thread m_thread;
-};
\ No newline at end of file
+};
diff --git a/userspace/falco/webserver.cpp b/userspace/falco/webserver.cpp
index d826436c961..36070f1f79a 100644
--- a/userspace/falco/webserver.cpp
+++ b/userspace/falco/webserver.cpp
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/webserver.h b/userspace/falco/webserver.h
index eed82e2a4ca..8a2e3a2f6ab 100644
--- a/userspace/falco/webserver.h
+++ b/userspace/falco/webserver.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
diff --git a/userspace/falco/yaml_helper.h b/userspace/falco/yaml_helper.h
index b8fc0d94ebf..19ff0aacde8 100644
--- a/userspace/falco/yaml_helper.h
+++ b/userspace/falco/yaml_helper.h
@@ -1,5 +1,6 @@
+// SPDX-License-Identifier: Apache-2.0
 /*
-Copyright (C) 2022 The Falco Authors.
+Copyright (C) 2023 The Falco Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.