Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...

Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

Microsoft's old Secure Boot certificates expire mid-year. The Windows Security app displays the update status.

This guide shows configure and deploy Microsoft Defender for Endpoint to better protect your company from cyber threats. By adding your devices, you can find and stop threats faster and keep your ...