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

Enhanced phishing protection in Microsoft Defender is a security feature designed to guard against phishing attacks that attempt to steal users’ personal or login information. It works by actively ...

SmartScreen is designed to automatically block suspicious files, but it often flags genuine downloads as malicious. Here's how you can disable Windows Defender SmartScreen on Windows 11 to download ...

Microsoft Security Copilot is an AI-powered solution that boosts the efficiency of security defenders, improving outcomes at scale. If you are setting up an environment and want to make it secure, we ...

Microsoft 365 administrators can use built-in Defender for Office 365 tools to enable impersonation and domain protection, ...