Who first described the DoD multilevel military securit…

Who first described the DoD multilevel military security policy in abstract, formal terms?

Who first described the DoD multilevel military security policy in abstract, formal terms?

A.
David Bell and Leonard LaPadula

B.
Rivest, Shamir and Adleman

C.
Whitfield Diffie and Martin Hellman

D.
David Clark and David Wilson

Explanation:
It was David Bell and Leonard LaPadula who, in 1973, first described the DoD multilevel military security policy
in abstract, formal terms. The Bell-LaPadula is a Mandatory Access Control (MAC) model concerned with
confidentiality. Rivest, Shamir and Adleman (RSA) developed the RSA encryption algorithm. Whitfield Diffie and
Martin Hellman published the Diffie-Hellman key agreement algorithm in 1976. David Clark and David Wilson
developed the Clark-Wilson integrity model, more appropriate for security in commercial activities.
RUSSEL, Deborah & GANGEMI, G.T. Sr., Computer Security Basics, O’Reilly, July 1992 (pages
78,109).



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