Microsoft offers many online services which run in the cloud. To sign into services such as Office 365 and Microsoft Azure, a multitenant identity management service is used.

This service is called Azure Active Directory (AD). It is a comprehensive identity and access management cloud solution. It combines core directory services, advanced identity governance, security, and application access management. Azure AD also offers developers an identity management platform to deliver access control to their applications, based on a centralized policy and rules.

Azure AD, which was known as Windows Azure Active Directory, was developed by Microsoft and is based on the Active Directory available in Windows Server. Each Azure AD directory is distinct and separate from other Azure AD directories. Just as a corporate office building is a secure asset specific to only your organization, an Azure AD was also designed to be a secure asset for use by your organization...