Which of the following was the first mathematical model of multilevel security policy?
A.
Biba
B.
Take-Grant
C.
Bell-La Padula
D.
Clark Wilson
Explanation:
“In the 1970’s, the US military used time-sharing mainframe systems and was concerned about these
systems and leakage of classified information. The Bell-LaPadula model was developed to address
these concerns. It was the first mathematical model of a multilevel security policy used to define the
concept of a secure state machine and modes of access and outline rules of access.” Pg 212 Shon
Harris: All-in-One CISSP Certification
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