A military-adjacent emergency operations center must prevent staff with lower clearances from reading higher-classified briefings. Which classic access model’s confidentiality rules best match that goal?
Select an answer to reveal the explanation.
Short Explanation
Classified briefings are like floors in a tower—lower badges should not ride the elevator up to peek. Bell-LaPadula is the classic no-read-up rulebook built for that confidentiality problem.
Full Explanation
Bell-LaPadula is a multilevel security model oriented to confidentiality, classically preventing subjects from reading objects at higher sensitivity levels (simple security) and constraining downward writes. Biba prioritizes integrity; Brewer-Nash and Clark-Wilson address conflict-of-interest and commercial integrity workflows rather than classic MAC confidentiality.