Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Antivirus software offers digital protection and defends against malware. But it can't shield you from everything.

Remember those old I'm a Mac, I'm a PC ads? In one, the Mac looks on, concerned, while the PC keeps sneezing from a virus it's caught, eventually crashing backward onto the ground. For a while, Macs ...