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CISSP in 21 Days - Second Edition by M. L. Srinivasan

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Identity management principles and implementation

Identity and access management consists of four distinctive principles and practices. They are Identification, Authentication, Authorization, and Accountability. Sometimes, the last three are together referred to as access control. In centralized access control systems, such as radius and TACACS, they are identified as the Triple A of access control based on the starting letter of each practice.

Observe the following illustration. The core principles and practices in identity and access domains are layered into three groups. The first layer is called the Identity layer and consists of identification principles and practices. The subsequent layer is called the access layer and consists of authentication ...

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