Apple has released Mac OS X 10.6.8 for Snow Leopard (Security Update 2011-004). Among many improvements it also addresses many security vulnerabilities in the operating system.
The 10.6.8 release also protects against the latest Mac Defender malware and its known variants, including “Mac Security”, “Mac Protector” and “MacGuard”. This problem was initially addressed in the Security Update 2011-003 from June 1st.
A full list of changes and security updates can be found in the Apple security advisory.
Mac OS X users can upgrade to the latest release via the built-in Software Update function.
Sorin Mustaca
Data Security Expert
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