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

Rather than amateurs working out of their parents' basement, malware creators are often part of an underworld of criminal gang, or working directly for a foreign government or intelligence agency.

The man on trial for writing the Sasser computer worm, which wreaked havoc in big businesses and homes across the world last year, has confessed to all the charges against him, a German court said ...

DETROIT -- A computer worm temporarily halted production at 13 of DaimlerChrysler AG's U.S. plants this week, but the company says the damage was minimal and it expects to make up the lost production.

Security researchers are tracking holiday attacks by the Storm Worm, a particularly insidious piece of computer malware that has been circulating around the world for about a year. Earlier this week, ...

A computer worm that has infected industrial computers around the world may be part of a campaign targeting nuclear installations in Iran, computer-security researchers said. The highest concentration ...