Get Started
Zero Trust and Microsoft 365 DefenderMicrosoft 365 security
Protect your Microsoft 365 environment with Microsoft 365 Defender
What's new
Microsoft 365 Defender Tech CommunityKey scenarios
Protect against and recover from ransomware
Respond to security incidents
Enable safe email messages
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
Explore topics in-depth through guided paths and training modules or prepare for the next step in your career with a certification.
Microsoft 365 Defender Ninja training
Enhance your cybersecurity skills with the Microsoft 365 Defender Ninja training.
Recommended Learning Paths
Start your Microsoft 365 Defender learning journey with our recommended learning paths.
Security Operations Analyst Certification & Exams
Prepare yourself for Microsoft Security certifications.