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 ...

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 ...

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 ...

Computer hackers could create malicious software that crosses the line from technology to biology, crafting viruses that could spread dangerous epidemics, researchers said at Black Hat Europe. “We are ...

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 ...