https://learn.microsoft.com/en-us/entra/identity/

What is Microsoft Entra ID?
Manage user identities and control access to your apps, data, and resources.


Authentication
Configure sign-in methods and security features like self-service password reset and multifactor authentication.


Application management
Develop, add, or connect an app to Microsoft Entra ID and manage access.


Role-based access control
Manage administrator permissions and apply the principle of least privilege using Microsoft Entra role-based access control.


User management
Manage users and groups, assign licenses, and manage domain names.


Conditional Access
Control access to resources by enforcing policies based on user, location, device, and more.


Device identity
Register and join devices to Microsoft Entra ID for device management and Condition Access.


Hybrid identity
Create a user identity that can access both on-premises and cloud resources.


Application provisioning
Create and manage user identities in applications by provisioning from Microsoft Entra ID.


Application proxy
Provide secure remote access and cloud scale security to your private applications.


Managed identities for Azure resources
Create an application identity that can connect to resources using Microsoft Entra authentication.


Application integration
Integrate cloud-enabled, software as a service (SaaS) apps with Microsoft Entra ID.


Monitoring and health
Use logs and reports to determine usage of your apps and services, detect risks, and troubleshoot issues..


Multitenant organizations
Collaborate across tenants within your organization.


Domain services
Move legacy apps to managed domains in the cloud while preserving user accounts, groups, and access.


Azure Active Directory B2C
Business to consumers identity and access management for your app.