The green checkmark on Windows Defender is often a reassuring sign to most people that their computer is safe. After all, Windows Security is packed with so many security features. However, realizing ...

Is your computer acting strange? Unexpected slowdown, pop-ups, and account activity could be signs of a hidden threat lurking within.

Now that Windows 10 is no longer supported, it's become a more attractive target for hackers. That doesn't mean you need to upgrade right away—here's how to stay protected.

Take a few minutes to remove clutter, review what’s running on your device, and build habits that keep your computer running smoothly all year.

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.