You use your computer daily, although I bet you rarely, if ever, consider that someone could be spying on you through your built-in camera on a laptop or a standalone camera that connects via USB.

Here are several of the most common signs that your computer has been hacked, as well as tips on preventing your computer ...

How do hackers get access to your computer? Hackers have many tricks up their sleeves. Viruses and malicious software, aka malware, make the most of security gaps, but something called social ...