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 ...

Fake virus alerts are scams designed to make you panic and click on malicious links or download harmful software. Watch out for red flags like poor grammar, weird URLs, flashing warnings, and messages ...

Forbes contributors publish independent expert analyses and insights. Hackers are a busy bunch, with more than 300 million computers hacked every year — and there's a dizzying range of ways in which a ...