Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

Microsoft Defender, the antivirus app that comes enabled in Windows Vista and later, reportedly failed to catch a type of malware that hijacked a victim's Google account in the Chrome browser and ...

Microsoft has acknowledged a software defect in Microsoft Defender for Endpoint that has triggered misleading security alerts on Windows 11 version 25H2. The problem incorrectly flags Dell BIOS ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

Although Windows 10 is no longer officially supported, Microsoft says users can now sign up for free security updates. Here’s what you need to do step-by-step.

To use Windows Defender ATP (Advanced Threat Protection), onboard your devices to the platform using Configuration Manager, Microsoft Intune, or manual installation. Access the Microsoft Defender ...

Microsoft Windows Defender is the default security feature on every Windows 11 PC. It’s one of the OS’s most useful features because it works continuously in the background to detect and prevent ...