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CISSP in 21 Days by M. L. Srinivasan

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Access control concepts, methodologies, and techniques

Controlling access to the information systems and the information processing facilities by means of administrative, physical, and technical safeguards is the primary goal of access control domain. Following topics provide insight into some of the important access control related concepts, methodologies, and techniques.

Basic concepts

One of the primary concepts in access control is to understand the subject and the object.

A subject may be a person, a process, or a technology component that either seeks access or controls the access. For example, an employee trying to access his business email account is a subject. Similarly, the system that verifies the credentials such as username and password ...

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