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.

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...

Computers house so much of our personal data that it’s essential to set up protective measures in case of cyber attack or mechanical failure. These five must-do steps dramatically increase the odds ...

Free malware scanners help find hidden threats on your PC that normal antivirus programs may miss.Running regular scans keeps your computer ...

I’ve picked up a few PC security tips in my time as a PCWorld editor, but I wasn’t born with that information. Yep, it’s been a gradual learning curve for me over many years of writing about security.

How to check your Windows PC for expiring security certificates - a big one is ending soon ...