A worm unleashed in the summer of 1999 that infected Microsoft Exchange mail servers. It replied to each incoming message with "Hi <sender name>! I received your email and will send you a reply ASAP.

Former president Jimmy Carter’s charity has helped transform Guinea worm from a disease that used to infect millions to one ...

Mydoom isn't the first mass-mailing virus of the year. Earlier this month, a worm called "Bagle' infected computers but seemed to die out quickly. So far, it's too early to say whether Mydoom will ...

There are two types of malware: viruses and worms. Viruses embed in software without consent and infect the computer when the software is opened. A worm spreads itself through a network to affect ...