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.

Put a brand-new laptop or desktop PC in front of most people, and they’ll begin installing their favorite programs. Me? I ...

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

Your PC's critical security certificates may be about to expire - how to check ...

Right then, let’s have a look at computer security threats. It’s a bit of a minefield out there, isn’t it? With everything moving online, from our banking to keeping in touch with mates, it’s easy to ...

Learn how to back up your computer automatically with Windows, OneDrive, and third-party tools while keeping data secure, organized, and easy to restore.