Microsoft shared a great collection of measures to prevent identity compromise
Microsoft Incident Response lessons on preventing cloud identity compromise | Microsoft Security Blog
In real-world customer engagements, Microsoft Incident Response (Microsoft IR) sees combinations of issues and misconfigurations that could lead to attacker access to customers’ Microsoft Entra ID tenants. Effective protection of a customer’s Entra ID tenant is less challenging than protecting an Active Directory deployment but does require governance and monitoring. Reducing risk and exposure of your most privileged accounts plays a critical role in preventing or detecting attempts at tenant-wide compromise.
Merill Fernando 
