Computer viruses are infecting worms in the wild to create a new breed of hybrid malware, according to security research firm BitDefender.

What does virus examples actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Uncover the truth behind common computer virus myths that refuse to die. Are Macs and Linux PCs immune? Can you get a virus just by opening an email? Get the facts.

For example, many viruses store themselves in an encrypted form, varying the encryption key as they travel so that the encrypted patterns are different on each victim machine.

A computer virus is a self-replicating computer program written to alter the way a computer operates, without the permission or knowledge of the user. Though the term is commonly used to refer to ...

Your computer is running very slowly “If your computer is operating a lot more slowly than usual, a virus could be the culprit,” says Walsh.

In the 1990s, for example, not only were several computer viruses named for AIDS, but computer security professionals used “safe sex” analogies to explain how to keep electronics virus-free.

If you use a computer, read the newspaper, or watch the news, you will know about computer viruses or other malware. These are those malicious programs that once they infect your machine will ...