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.

From macro viruses and boot sector viruses to droppers and packers, here’s a look at 9 common virus types, what they do, and the function they perform for attackers.

Computer security technologists are racing to find ways to block ever-more complex computer worms and viruses that burrow into computers -- usually via e-mail -- and wreak havoc on network systems.

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.

The study of computer virus propagation models is central to understanding and mitigating digital epidemics that disrupt modern network infrastructures. Researchers have adopted a range of ...

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