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Mandatory Access Control (MAC) is is a set of security policies constrained according to system classification, configuration and authentication. MAC policy management and settings are established in one secure network and limited to system administrators.
MAC defines and ensures a centralized enforcement of confidential security policy parameters.
For best practices, MAC policy decisions are based on network configuration. In contrast, certain operating systems (OS) enable limited Discretionary Access Control (DAC).
MAC advantages and disadvantages depend on organizational requirements, as follows: