Outline for October 1, 2025

Reading: text, §2.3–2.4, 3.1–3.2, 5.1–5.2.1, A
Assignments: Homework 1, due October 8; Project selection, due Oct 10

1. Class overview

2. Access Control Matrix
   1. Copy flag, own rights
   2. Principle of attenuation of privilege

3. Undecidability result

4. Goals of confidentiality policies

5. Bell-LaPadula Model with levels only
   1. Security levels

6. Lattices

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: mabishop@ucdavis.edu

ECS 235A, Computer and Information Security Version of Ocgtober 1, 2025 at 10:39AM

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