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@@ -144,7 +144,7 @@ <h2 class="title">Contact</h2>
 
 </ul>
 
-He created and facilitates the Linux Foundation's TAG Security <a href="https://github.com/cncf/tag-security/tree/main/assessments">security assessment process</a> and wrote <a href="https://github.com/cncf/tag-security/blob/main/assessments/Open_and_Secure.pdf">a book</a> about it.
+He created and facilitates the Linux Foundation's TAG Security <a href="https://github.com/cncf/tag-security/tree/main/assessments">security assessment process</a> and wrote <a href="https://tag-security.cncf.io/community/assessments/Open_and_Secure.pdf">a book</a> about it.
 His open source <a href="/projects">research advances</a> 
 are adopted into production use by Docker, git, Python, VMware, automobiles, 
 Cloudflare, Microsoft, Amazon, Google, IBM, Digital Ocean, and major Linux