An overview of AAD

AAD is a unique identity and access management service and unified control plane solution that provides authentication, authorization, and security capabilities to all of Microsoft’s first-party cloud solutions, such as Azure, Microsoft 365, and Dynamics 365, and a plethora of third-party applications. Third-party developers can easily publish their applications into the AAD Gallery (and hundreds already have) to allow AAD administrators to seamlessly integrate applications into their enterprise and grant access to end users. If an application cannot be found in the gallery, the application can be manually added to an AAD tenant leveraging the underlying authentication protocols’ implementation.

AAD users can use single sign-on (SSO) to access all AAD applications so that they are not forced to re-enter their credentials each time they access a new application: an administrator can configure which applications a user or a group of users needs to...