Is your computer acting strange? Unexpected slowdown, pop-ups, and account activity could be signs of a hidden threat lurking within.

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 ...