Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

PCをウイルス感染から防衛するためには、専用のアンチウイルスソフトが必要と思われがちなものですが、実はWindowsにはMicrosoftが開発した「Microsoft Defender(旧称：Windows Defender)」というウイルス対策の仕組みが用意されています。このMicrosoft Defenderについて ...

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 ...

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 ...

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