Bell-LaPadula Model – read down/write up Security levels arranged in linear ordering Top Secret: highest Secret Confidential Unclassified: lowest.
Session 2 - Security Models and Architecture. 2 Overview Basic concepts The Models –Bell-LaPadula (BLP) –Biba –Clark-Wilson –Chinese Wall Systems Evaluation.
Computer Security: Principles and Practice
Bell-LaPadula Model – read down/write up