The recent Trojan horse called DevilRobber has been found updated and disguised as a fake version of PixelMator.
A new Trojan horse being distributed through pirated software for OS X will try to scam the Bitcoin network and steal personal information.
Apple has updated its XProtect malware scanner to contend with the second revision of the Flashback malware, though this update comes after a bit of a delay.
A new piece of malware called DevilRobber hides in Mac app torrents and uses your video card to generate real cash moneys for hackers.
When it comes to a full Internet security suite for OS X, one of the more-robust options out there is Intego's Internet Security Barrier X6.