Most modern Macs have Java installed, so they could be vulnerable to the Flashback. While Apple posted a security fix for Mac OS X Lion and Mac OS X Snow Leopard, there are many millions of Macs running older software. Still there’s an easy way to prevent a Java drive-by attack, besides pulling the plug.
http://www.zdnet.com/blog/apple/quick-protection-for-older-macs-from-the-flashback-trojan/12712?tag=content;feature-rotoCurrent Magazine
