Microsoft Defender SmartScreen is a Windows ... type "Windows Security" in the search box, and click its icon to launch.

The Windows Defender icon only appears when spyware is detected or when a scan or update is in progress. The default settings for Windows Defender take an automatic approach. The utility will ...

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 ...