This being the 40th anniversary of the Internet, Symantec, the manufacturer of computer-security software, has published a list of the top computer worms, viruses, trojan horses, and hoaxes in ...

A computer worm designed to expire within a week has caught the attention of computer experts who fear it may be a prototype for a much nastier specimen. The worm – called Bagle A – spreads as ...

A new e-mail worm called VBS.Hard.A@mm is showing up in users' in-boxes disguised as a virus alert from antivirus company Symantec Corp. Although relatively innocuous, the worm is expected to ...

Worms and viruses require slightly different protection mechanisms because of their different propagation methods. A virus scanner operates by searching for the signatures of known viruses.