The New York Times, By Riva Richmond
A friend on Facebook suggests that you watch an amazing or funny or sexy video. The link may seem innocuous enough. But with a few simple clicks, you could end up infecting your PC with the Koobface worm.
Koobface, whose name is an anagram for its preferred social network, is a malicious program that has plagued Facebook for more than two years, ensnaring hundreds of thousands of people and keeping the site’s security team on the defense.