A computer virus is a type of malware that can replicate itself on your computer and spread to other devices.

You’ve heard the term, but what does it actually mean? Learn from our expert how these self-replicating programs sneak in, spread, and slow your system down, plus what you need to know to stay ahead.

An icon in the shape of a lightning bolt. Impact Link A computer worm is a form of malware that, once it has infected a computer, continues to replicate itself on the infected computer as well as ...

Uncertainty surrounded the notorious computer worm Tuesday, the day before it was set to activate on potentially millions of machines. Yet computer professionals, including Gavin Manes, founder of ...

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 ...

SAN FRANCISCO - A new "worm" software program that purports to rid computers of malicious viruses actually leaves the viruses intact and chews up files instead, security experts said Friday. The worm, ...

A new viruslike attack struck computers, including some in Western New York, Tuesday, and its rapid spread threatened to slow down the Internet. Attorney General John D. Ashcroft warned that the ...

Companies and individuals heeded this week's warning -- some may call it "hype" -- about a file-destroying computer worm known as "Kama Sutra," helping minimize its damage Friday, security experts ...

It's being called the worst computer worm of the year -- a fast-spreading Internet threat that looks like an official e-mail from the CIA or FBI but can leave your computer wide open to intruders. The ...