Have you ever had that sinking feeling that something’s not quite right with your computer? Maybe it’s running slower than usual or there are new icons on your desktop that you don’t recognize. Well, ...

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

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 ...

Your antivirus will protect you from many online threats, but no antivirus is perfect. Truth is, your PC can still be hacked even if you’re using reputable security software with a solid track record.

Q: How can I tell what’s causing my Windows computer to bog down? A: When a computer starts crawling, most people assume it’s old, broken, or infected. In reality, it’s often just overwhelmed. One ...