Active Directory (AD)
What is Active Directory?
Active Directory (AD) is a directory service from Microsoft that is widely used in Windows-based network environments. It was originally designed for the centralized management of domains. Today, it is used for the centralized management of user accounts, group policies, computers and other resources within a network. Active Directory enables system administrators to organize access rights, verify the authenticity of users’ identities (authentication) and grant access (authorization). In this way, only specific users gain access to sensitive data, information and resources.
How does Active Directory work?
Active Directory works in a similar way to a telephone directory. The ‘IT directory’ contains important information about a company network, such as computers, software, databases and printers. These are referred to as objects. The objects are arranged in a hierarchical structure, known as the directory structure. A group of objects is called a domain in AD. Once authenticated, users can seamlessly access all resources within the domain for which they are authorized (single sign-on). Active Directory is therefore essential for network security.














