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

What Is a Computer Virus? A computer virus is a program. Like other programs, it’s defined by what it does, and the big thing a virus does is replicate itself. The virus exists as a collection of ...

A new virus can, for the first time, infect image files, according to antivirus software company McAfee.com Corp., a division of Santa Clara, Calif.-based Network Associates Inc. That means the virus ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

Viruses aren’t among nature’s most photogenic creations, but pictures of them are instructive to researchers -- and to the general public, according to David M. Sander, principal consultant at Sander ...