HARDENING FIELDBOOK

Practical security hardening from real-world enterprise environments.

FIELD NOTES & GUIDES

Hands-on guides, deployment notes and lessons learned from Microsoft security, identity and endpoint environments.

Browse the fieldbook

Identity Security

Defender for Identity, Identity Protection, authentication and identity hardening.

Conditional Access

Policy design, deployment, testing and troubleshooting.

Endpoint Security

AppLocker, application control, Defender and Windows hardening.

Security Posture

Secure Score, baselines and practical security improvements.

Featured guides

Deploying Applocker at Scale