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Document Revision History

This table describes the changes to Security Overview.

Date	Notes
2008-10-15	Added a link to the iPhone OS Technology Overview.
2008-06-26	Added information about security in iPhone OS.
2008-02-08	Added descriptions of new features for Mac OS X v10.5.
	See “Sandboxing and the Mandatory Acccess Control Framework”; “Cryptography”; “Code Signing”; “Restrictions On Code Execution”; and “File Quarantine.”
2005-04-29	Updated for Mac OS X v10.4. Added information about file-system access control lists (ACLs). Changed "Rendezvous" to "Bonjour."
2004-02-23	New document that introduces computer security concepts and describes the security features and APIs in Mac OS X.

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