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Which of the following is true of the Bell LaPadula and Biba access control models?
Biba is a State Machine Model
Bell LaPadula is a State Machine Model
Both are State Machine Models
Neither are State Machine Models
Both are state machine models.
BLP enforces the confidentiality aspects of access control to keep the system in a secure state. It focuses on ensuring the subjects are properly authenticated ââ by having the necessary security clearance, need to know and formal access approval ââ before accessing an object.
Biba enforces the integrity aspects of access control to keep the system in a secure state. It is focused on preventing data from any level flowing to a higher integrity state.
Additionally, both BLP and Biba are also information flow models. They are most concerned about data flowing from one level to another. BLP uses security levels and Biba uses integrity levels.
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