Computer viruses are mysterious and grab our attention. On the one hand, viruses show us how vulnerable we are. A properly engineered virus can have an amazing effect on the worldwide Internet. On the ...

All savvy computer users know that viruses, spyware, bots, worms and Trojan Horses (collectively known as “malicious software,” or “malware”) are bad, and that they need special programs ...

Worms and viruses require slightly different protection mechanisms because of their different propagation methods. A virus scanner operates by searching for the signatures of known viruses.

All of us know the importance of having adequate antivirus protection before venturing online. But how exactly does a virus work? What makes viruses differ from worms, and how has the ...

A computer virus is a form of malicious software that piggybacks onto legitimate application code in order to spread and reproduce itself.

According to two German scientists, new computer viruses can infect other computers within 60 feet simply by emitting high-frequency sounds.

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.

And finally tonight; the industrial-strength computer virus with a global reach. We began work on this report for the online NewsHour, and thought you would like to see it on air as well. Hari ...

Use this guide to the most common computer virus symptoms to keep your PC healthy and malware-free.

The Computer Virus That Haunted Early AIDS Researchers The first-ever ransomware attack was delivered on a floppy disk.