[[!meta copyright="Copyright © 2007, 2008 Free Software Foundation, Inc."]]
[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled [[GNU Free Documentation License|/fdl]]."]]"""]]
IBAC stands for identity-based access control. In this access control scheme, access to a resource is based on identity of the caller. This is often problematic as when a program acts on behalf of another, access is authorized based on its own identity rather than that of the caller.
See also [[ABAC]].