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[[!meta copyright="Copyright © 2007, 2008 Free Software Foundation, Inc."]]

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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]].