Accounts and Access Rights Management (Identity and Access Management, IAM) is a set of approaches, practices, and special software facilities, primary purpose is to ensure the security of informational resources and information systems by controlling users access to them, as well as reducing the costs of the enterprise associated with such controls.
By using IAM practices and approaches is a key tool for reducing the risk of unauthorized access. In fact, IAM is a combination of methodology and technology of the user account management practices (Identity Management) and the practice of user access management (Access Management).