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Discretionary Access Control
Discretionary Access Control

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!!! Overview
In computer security, discretionary access control [DAC] is a type of [Access Control Model] defined by the [Trusted Computer System Evaluation Criteria] "as a means of restricting access to objects based on the identity of subjects and/or groups to which they belong.
The controls are discretionary in the sense that a [Digital Subject] with a certain access permission is capable of passing that permission (perhaps indirectly) on to any other [Digital Subject] (unless restrained by [Mandatory Access Control])".
Discretionary access control is commonly discussed in contrast to [Mandatory Access Control] or MAC.
Occasionally a system as a whole is said to have "discretionary" or "purely discretionary" access control as a way of saying that the system lacks mandatory access control. On the other hand, systems can be said to implement both [Mandatory Access Control] and [{$pagename}] simultaneously, where [{$pagename}] refers to one category of access controls that [Digital Subjects] can transfer among each other, and [Mandatory Access Control] refers to a second category of [Access Controls] that imposes constraints upon the first.
!! More Information
There might be more information for this subject on one of the following:
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This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop