Microsoft acknowledges that third-party antivirus tools for Windows 11 ships with extra features that its built-in offering ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

Microsoft has expanded its Windows 11 administrator protection tests, allowing Insiders to enable the security feature from the Windows Security settings. First introduced in October in a preview ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

It's not just about convenience.

If you have installed a third-party antivirus tool and it is buggy or infected, it can interfere with Microsoft Defender Antivirus settings, including Tamper Protection. That could be the reason that ...

Are you worried that your missing Windows Defender history is hiding an infection? Windows Security’s Protection History tracks the Defender’s actions, helping you identify and remove threats easily.

Microsoft has fixed a known issue triggering Windows Security warnings that Local Security Authority (LSA) Protection is off by removing the feature's UI from settings. LSA Protection helps defend ...

Windows 10 support ended back in October. Here's how to keep access to Windows 10 security updates without spending a dime.

Microsoft starts expiring critical Secure Boot certificates next week — "the clock is ticking" on a billion PCs.

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...