From: https://docs.microsoft.com/en-us/azure/security/azure-ad-secure-steps

Five steps to securing your identity infrastructure

If you’re reading this document, you’re aware of the significance of security. You likely already carry the responsibility for securing your organization. If you need to convince others of the importance of security, send them to read the latest Microsoft Security Intelligence report.

This document will help you get a more secure posture using the capabilities of Azure Active Directory by using a five-step checklist to inoculate your organization against cyber-attacks.

This checklist will help you quickly deploy critical recommended actions to protect your organization immediately by explaining how to:

• Strengthen your credentials.
• Reduce your attack surface area.
• Automate threat response.
• Increase your awareness of auditing and monitoring.
• Enable more predictable and complete end-user security with self-help.