Microsoft 365 security
Protect your Microsoft 365 environment with Microsoft 365 Defender
Protect against and recover from ransomware
Respond to security incidents
Enable safe email messages
Protect your endpoints
Detect and remediate vulnerabilities
Microsoft 365 Defender products and services
Microsoft 365 Defender
Microsoft Defender for Office 365
Microsoft Defender Endpoint
Microsoft Defender Vulnerability Management
Microsoft Defender for Identity
Microsoft Defender for Cloud apps
Learning, Training, and Certification
Enhance your cybersecurity skills with the Microsoft 365 Defender Ninja training.
Start your Microsoft 365 Defender learning journey with our recommended learning paths.
Prepare yourself for Microsoft Security certifications.