In the latest escalation of a public feud with Microsoft, security researcher Nightmare Eclipse released the LegacyHive ...

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.

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

The feud between "NightmareEclipse" and Microsoft continues to hold unpleasant surprises for the Windows ecosystem. The ...

The Microsoft Defender patch that fixed RoguePlanet may have introduced a new flaw that lets attackers fill a PC's disk space ...

Microsoft said it has closed off RoguePlanet, a privilege escalation flaw in the Windows Defender scanning engine that could ...

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

Windows 11 installation media for July 2026 now includes the latest Patch Tuesday security updates for versions 25H2 and 24H2 ...

Microsoft Defender Antivirus is 99% effective at blocking threats. Data suggests most infections are due to user behavior. Businesses need specialized endpoint security software. Last April, someone ...

Vulnerable drivers can cause harm to your Windows computer. To protect your PC from vulnerable drivers, Microsoft has now introduced the Vulnerable Driver Blocklist in Windows Security. This feature ...

Make Windows 11 feel faster with nine cleanup tips for startup apps, storage, background processes, updates, malware scans, and more.