Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

Antivirus apps protect your PC's personal information, data, bank accounts, and other sensitive information. We've tested more than two dozen utilities to help you choose the right antivirus for your ...

A: If all you're doing is basic computing like emailing, document creation, surfing the web and such, then the level of protection you receive from a free antivirus program should be enough to keep ...

We know, it sounds too good to be true. Security isn't free, right? Well, in some cases it is. You can get everything from anti-virus to a firewall for less than a ...

Add Yahoo as a preferred source to see more of our stories on Google. Ever hear the phrase “spread like a virus”? We quite literally witnessed it the past few years. Like biological viruses, computer ...

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

This is an important one. Some free antivirus software programs claim they will offer real-time monitoring when you use them. This means that as you scroll on your phone or computer, or download items ...

Virus removal tools can be standalone one-time scanners or built into full antivirus software. They scan your system for malicious files and remove them. Standalone tools are great as a second opinion ...

Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...