What's the top security software to keep your PC safe? We've tested, reviewed, and rated more than 40 apps to help you choose the right security suite to protect your devices and data.

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

PCWorld highlights Smart App Control, a crucial Windows 11 security feature that screens apps through Microsoft’s cloud service to protect against malware and compromised executables. A February 2026 ...