Document Revision History

This table describes the changes to Security Overview.

DateNotes
2012-12-13

Made additional editorial changes throughout.

2012-09-19

Made minor editorial fixes.

2012-06-11

Made minor typographical fixes.

2012-03-06

Corrected minor errors in the bibliography.

2012-01-09

Introduces computer security concepts.

2011-07-06

Added information about sandboxing.

2010-07-13

Reorganized file system permissions into a single section and enhanced the content.

2008-10-15

Added a link to the iOS Technology Overview.

2008-06-26

Added information about security in iOS.

2008-02-08

Added descriptions of new features for OS X v10.5.

2005-04-29

Updated for 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 OS X.