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 ...

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 ...

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 ...

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.

Computer viruses first emerged in the 1980s. Since then, they have posed problems for computer users worldwide. Unfortunately, most are here to stay.

But while it's easy to draw analogies between how the human immune system works and how virus protection software programs should work, mimicking nature is no simple task.

Commentator Aharon Rabinowitz says we create human viruses when we forward to all of our friends every virus warning that comes our way — and that does nearly as much damage as the potential ...