IAM glossary
Microsoft Entra ID
Also known as: formerly Azure AD
Entra ID
Microsoft Entra ID (formerly Azure Active Directory) is Microsoft's cloud-based identity provider. It authenticates users, enforces Conditional Access, and provides single sign-on to Microsoft 365 and thousands of SaaS applications. It is related to, but distinct from, on-premises Active Directory.
Why it matters
Entra ID is the identity backbone for most modern enterprises. Getting its configuration — sync, Conditional Access, governance — right is foundational to both security and user experience.
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