Outline for February 1, 2002 Reading: ß4.5, ß5.1-5.3 (not including ß5.2.3, 5.3.1) 1. Greetings and Felicitations! 2. Puzzle of the day 3. High-Level Policy Languages a. Characterization b. Example: DTEL 4. Goals of Confidentiality Policies 5. Bell-LaPadula Model with Levels Only a. Security Levels b. Simple Security Property c. *-Property d. Basic Security Theorem 6. Bell-LaPadula Model a. Compartments b. BLP as lattice structure c. Simple Security Property d. *-Property e. Basic Security Theorem 7. DG/UX B2 UNIX System a. Hierarchy of levels b. Labels, explicit and implicit c. MAC tuples