Lecture 28: June 2, 2021

Reading: text, §23.10, 26.1–26.3
Due: Homework 5, due June 2; Lab 4, due June 3

1. Defenses
   1. Scanning
   2. Distinguishing between data and instructions
   3. Containment
   4. Specifications as restrictions
   5. Limiting sharing
   6. Statistical analysis
   7. Trust

2. Basic intrusion detection
   1. Basis
   2. Anomaly detection (“what is unexpected is bad”)
   3. Misuse (signature-based, rule-based) detection (“what is bad is known; everything else is good”)
   4. Specification-based detection (“what is good is known; everything else is bad”)
   5. Host-based intrusion detection
   6. Network-based intrusion detection
   7. Combined intrusion detection

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ECS 153, Computer Security Version of June 2, 2021 at 9:29AM

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