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

The Windows firewall is a fine place to start, but there are better options.

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.

In this post, we will show you the differences between the different types of virus scans provided by Windows Security. Windows Defender, or Windows Security/Microsoft Defender Antivirus in Windows 11 ...

Microsoft has decided to re-release its Windows 11 KB5007651 after one of its updates broke the Windows Security interface. The update in question was known as the Windows Defender Security update.

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...

When surfing the Internet via a browser, you may see an error stating that your computer is locked and that you must contact Microsoft to resolve the issue. If you ...

A security researcher disclosed a critical Windows vulnerability enabling system-wide access, defying Microsoft's prior legal warnings over revealing undisclosed software flaws.

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users. No less than ...

Suchi Rudra is a writer whose work has appeared in The New York Times, BBC and Vice, among other publications. Schools faced more ransomware attacks than hospitals or governments faced in 2023, ...