The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...

This week in 1988, Cornell graduate student Robert Tappan Morris unleashed his eponymous worm upon the Internet. The wave of infections grew to 10% of the entire Internet within 24 hours, causing ...

TEHRAN - Iran suspects that a foreign organization or nation designed "Stuxnet," a quickly mutating computer worm that has been infiltrating industrial computer systems in the Islamic republic, a high ...

The fast-moving Conficker computer worm, a scourge of the Internet that has infected at least 3 million PCs, is set to spring to life in a new way on Wednesday -- April Fools' Day. That's when many of ...