Which of the following was the first mathematical model of a multilevel security policy used to define the concepts of a security state and mode of access, and to outline rules of access?
A.
Biba
B.
Bell-LaPadula
C.
Clark-Wilson
D.
State machine
Explanation:
B: This is a formal definition of the Bell-LaPadula model, which was created and implemented to protect government and military confidential information.