Mandatory Access Control In computer security Mandatory Access
Control (MAC) is a type of access control in which only the
administrator manages the access controls. The administrator
defines the usage and access policy, which cannot be modified or
changed by users, and the policy will indicate who has access to
which programs and files. MAC is most often used in systems
where priority is placed on confidentiality. Contrast with
Discretionary Access Control (DAC) which is determined by the
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