Which of the following access control models make use of the classification levels of the information along with the subject’s clearance level?Group of answer choicesLattice-Based Access Control (LBAC)Mandatory Access Control (MAC)Both MAC and LBACAttribute-Based Access Control (ABAC)
Question
Which of the following access control models make use of the classification levels of the information along with the subject’s clearance level?Group of answer choicesLattice-Based Access Control (LBAC)Mandatory Access Control (MAC)Both MAC and LBACAttribute-Based Access Control (ABAC)
Solution
Both Mandatory Access Control (MAC) and Lattice-Based Access Control (LBAC) make use of the classification levels of the information along with the subject’s clearance level.
Here's why:
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Mandatory Access Control (MAC): This model classifies information and users into different levels of sensitivity and clearance. The system then uses these classifications to determine who can access what. For example, a user with a "secret" clearance level can only access information classified as "secret" or below.
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Lattice-Based Access Control (LBAC): This model is a type of MAC that further organizes these classifications into a lattice structure. This allows for more complex relationships between different levels of sensitivity and clearance. For example, a user might have a "secret" clearance level for some information and a "confidential" clearance level for other information.
On the other hand, Attribute-Based Access Control (ABAC) does not necessarily use classification levels and clearance levels. Instead, it uses attributes (characteristics, properties, etc.) associated with the user and the information to determine access.
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