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.

Computers of any kind are at risk of receiving malware, and even though Windows 11 comes with Microsoft Defender Antivirus ...

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

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

Computer virus, according to Lexico, is “a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.” What does that ...

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 ...