Mac OS X 10.6.2 Available: fixes multiple security issues

Apple has released the 10.6.2 update of Mac OS X. This version also introduce various stability improvements and compatibility in Snow Leopard, is responsible for close numerous security vulnerabilities, including a serious flaw that causes the loss of information when logged on as guest.
It has also solved another problem known which allows an attacker to modify the firmware on Apple keyboards.
This can be exploited to install a program capable of recording keystrokes (keylogger). Mac OS X 10.6.2 is only available for Snow Leopard. However, in Mac OS X 10.5 also have closed the same vulnerabilities with the release of Security Update 2009-006. So regardless if you are user of "Leopard" or "Snow Leopard" it's time to upgrade.

link : Security Update 2009-006 / Mac OS X v10.6.2