The Next Big Viral Thing on Facebook: a Virus

Once an unfriendly place for spammers and malware, Facebook today is dealing with a virus circulating among its 120 million users, the LA Times reports. “Koobface” comes disguised as a message from a friend with a subject like “You look so amazing funny on our new video,” then links users to a YouTube-like site that asks them to download "updated"—actually, infected—video software.

"Unfortunately, users are very trusting of messages left by 'friends' on social networking sites," said a security expert. "So the likelihood of a user clicking on a link like this is very high."
(Read more Facebook stories.)