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.

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

Microsoft wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and Windows Central earlier this year, the company called its built-in Windows ...

Even though Windows tells you “You’re using the latest version”, the last updated date is a few days old. That makes it easy for regular users to think ...

Some Windows 11 users are running into a problem with Microsoft Defender. Reports from ITHome say Win 11 24H2 users noticed their virus definitions haven’t updated for a while Protect your data on ...

Just days after Microsoft killed security updates for 500 million Windows 10 users, there’s bad news for Windows 11 users as well. A new, mandatory security update is a “total disaster” and an ...

Microsoft has released the KB5101684 preview cumulative update for Windows 11 24H2 and 25H2, which 42 bug fixes and ...