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Classifications within a MAC model

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sun0007's version from 2018-01-13 20:22

Section

Question Answer
Hierarchical EnvironmentClearance in one level grants the subject access to objects in that level as well as to all objects in lower levels but prohibits access to all objects in higher levels. For example, someone with a Top Secret clearance can access Top Secret data and Secret data.
Compartmentalized Environmentthere is no relationship between one security domain and another. Each domain represents a separate isolated compartment. To gain access to an object, the subject must have specific clearance for its security domain.
Hybrid Environmentcombines both hierarchical and compartmentalized concepts so that each hierarchical level may contain numerous subdivisions that are isolated from the rest of the security domain. A subject must have the correct clearance and the need to know data within a specific compartment to gain access to the compartmentalized object.
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