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

The correct answer is A. David Bell and Leonard LaPadula. 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 R

Submitted by weili_xi· Apr 18, 2026Access Controls

Question

Options

ADavid Bell and Leonard LaPadula
BRivest, Shamir and Adleman
CWhitfield Diffie and Martin Hellman
DDavid Clark and David Wilson

How the community answered

(26 responses)

A
92% (24)
C
4% (1)
D
4% (1)

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.

Topics

#Bell-LaPadula Model#Multilevel Security#Security Models#Access Control Models

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