It’s been confirmed by multiple research houses now: there’s a massive, 600,000-strong botnet of mainly Apple Macintoshes out there called Flashfake, and most of the infected machines are in the U.S.
Free Mac AntiVirus – Mac Security and Protection – Sophos
As Apple products grow in popularity they’re increasingly attractive targets to the bad guys. Just check out the short history of Mac malware 1982-2011 to see what the hackers are up to.
Free Mac AntiVirus – Mac Security and Protection – Sophos. (Shared with sharing app on Sophos’ website)
Thanks toTech Paul for his link