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.

Looking for a new antivirus? My tried and tested favorites will improve the security of your desktop PC, laptop, and mobile devices.

Internet security is a complex topic even for experts in the field, and for average people the terminology can be downright confusing. While you may not need to know every technical term out there, ...

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 ...

Toby Murray receives funding from the Australian Department of Defence to support research on how to build software that is provably reliable and secure. On Friday, the world suffered what many have ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...