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, ...

Looking for the best antivirus for Windows 11? Check out our top picks to protect your device as well as your system and ...

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 ...

A hands-on Windows 11 experiment finds that most ancient malware is harmless, but some decades-old threats can still slip past Defender.

While Windows 11 does include Microsoft's built-in Defender security, it's very surface-level in terms of protection. The ...

Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals ...

Microsoft shares key Windows Server hardening tips, covering OSConfig, Defender, Server Core, App Control, and firewall ...

Scan and clean your PC with the Windows Malicious Software Removal Tool. Learn how to run it, check results, and remove ...

For a vulnerability from 'Nightmare Eclipse' exploit repository, which was previously only superficially patched, there is now a new, (hopefully) final patch.

Now, some Windows 11 users are getting unwanted McAfee ads on their PC after installing or updating an app for LG monitors.

LG has agreed to disable the McAfee popup in its Monitor App Installer, Microsoft's Pavan Davuluri confirms, after weeks of ...