A computer worm is a type of malware that, once it infects a machine, can automatically copy and extend itself to connected devices.

On the Internet's 40th anniversary, Symantec lists the worst cyber threats. Sept. 3, 2009 — -- This fall marks the 40th birthday of the Internet, and to celebrate it, Symantec, the manufacturer ...

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 ...

Antivirus companies have long cautioned users against opening unexpected e-mail attachments or attachments sent by strangers, but thanks to a new e-mail worm spreading this week, antivirus companies ...

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, ...

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 ...

The worm _ called "Mydoom,' "Novarg' or "WORM_MIMAIL.R' _ was replicating itself so quickly that some corporate networks were clogged with infected traffic within hours of its appearance Monday. Its ...

our ability to protect the Net. the heart of the Internet were affected Saturday by what experts are calling the worst worm since Code Red in 2001. A worm that attacks Microsoft's database software ...

A Russian antivirus company apologized Friday for an e-mailed virus alert that was infected with the very worm the message was supposedly designed to warn against. Kaspersky Labs said the message, ...

When an IT technician looked inside a dying computer with malfunctioning processor fan, he discovered what had caused the machine to crash: A worm—not a bug or a virus—an actual 5-inch earthworm. When ...

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 ...

Antivirus companies have long cautioned users against opening unexpected e-mail attachments or attachments sent by strangers, but because of a new e-mail worm spreading this week, antivirus companies ...