Windows 11's latest security update expands Enhanced Sign-in Security to external fingerprint readers. Here's what it ...

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, ...

Official support for Windows 10 has ended, and its security certificates are expiring. Your system is at risk, and Microsoft wants you to upgrade. But an extra year of extended support can grant you ...

Out of the box, Windows 11 is a very secure operating system. Windows 11 is so secure that many security experts agree that you don't really need third-party antivirus software anymore, thanks to ...

You can keep using Windows 10 safely if you meet these criteria and enable the right setting.

Microsoft extended consumer Windows 10 security updates to 2027, with a no-cost option for eligible PCs and separate rules for managed devices.

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.

Best Antivirus Best Free Antivirus for Windows 10 in 2026: Top Free Protection Options Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing ...

A crucial Windows security certificate just expired - how to check your PC ...

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

Microsoft goes all in on new AI-powered Windows security strategy - what it means for you ...

Microsoft is again pushing a Defender Antivirus update (first issued in April and pulled in May) that fixes a known issue triggering Windows Security warnings that Local Security Authority (LSA) ...