Apple Lion O/S - New Security Features
Below are some of the new improvements in the latest version of Apple's Mac O/S:
Apple Lion O/S - New Security Features
http://isc.sans.org/diary.html?storyid=11245
http://www.apple.com/macosx/whats-new/features.html
QUOTE: Once you are over the online install experience, the upside down mouse gestures and all the other bling that comes as part of OS X Lion, it is time to look at what has changed from a security point of view. Apple doesn't exactly advertise security features, but Lion provides some significant security improvements.
* Address Space Layout Randomization (ASLR) - will make exploiting vulnerabilities significantly harder
* Automatic Security Updates - to happen behind the scenes
* Sandboxing -limits how individual applications can affect each other, and the underlying system. I
* Encrypted Backups - Time machine backups can now be encrypted.
* Privacy - Lion uses refined privacy preferences in particular limiting the access to location information