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.

ZDNET tested the best antivirus software on the market, with support for multiple operating systems, VPNs, and robust protection.

Ransomware attacks turn important files into encrypted gibberish. Paying to get them back may seem like your only option, but the best ransomware protection we've tested can prevent those attacks from ...

Cyber security is about protecting our digital world from bad actors. Threats come in many forms, from sneaky malware to outright attacks. People try to steal or damage things online for money, ...