March 8, 2021 Outline

Reading: text: §18.2–18.3
Due: Homework #5, due March 12; Completed Project, due March 12

Module 50

1. Isolation: program modification
   1. Compiling
   2. Loading

2. Covert channels
   1. Storage vs. timing
   2. Noise vs. noiseless
   3. Existence
   4. Bandwidth

3. Covert channel detection
   1. Shared Resource Matrix Model
   2. Information flow analysis
   3. Covert flow trees

4. Shared resource matrix methodology
   1. Identify shared resources, attributes
   2. Operations accessing those attributes
   3. Building the matrix
   4. Issues about the methodology

5. Information flow analysis
   1. Direct, indirect flows

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

ECS 235B, Foundations of Computer and Information Security Version of March 8, 2021 at 11:06PM

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