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 ...

Rather than amateurs working out of their parents' basement, malware creators are often part of an underworld of criminal gang, or working directly for a foreign government or intelligence agency.