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 protection, it's not foolproof.

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

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

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 ...

Firmware is the low-level software that is deeply integrated into the hardware of your device. It sits beneath higher-level software and your PC’s hardware and acts as a kind of bridge running the ...

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 ...