CS161 Summer 2026
Instructors: Justin Yokota, Peyrin Kao / Lecture: MTuWTh, 12:30–2:00 PM, Hearst Field Annex A1 [Zoom, Playlist]
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Course Calendar
| Wk. | Date | Lecture | Discussion | Project |
|---|---|---|---|---|
| 1 |
Mon Jun 22 | 1. Introduction and Security Principles Slides / Ch. 1 |
0. 61C Review Discussion: Worksheet / Solutions / Video / Slides |
Project 1 Checkpoint
(due Wed Jul 01) |
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Tue Jun 23 | 2. x86 Slides / Ch. 2 / x86/GDB Cheat Sheet |
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Wed Jun 24 | 3. Memory Safety Vulnerabilites I Slides / Ch. 3 |
1. Security Principles and x86 Discussion: Worksheet / Solutions / Video / Slides |
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Thu Jun 25 | 4. Memory Safety Vulnerabilities II Slides / Ch. 3 |
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| 2 |
Mon Jun 29 | 5. Mitigating Memory Safety Vulnerabilities I Slides / Ch. 4 |
2. Memory Safety Discussion: Worksheet / Solutions / Slides |
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Tue Jun 30 | 6. Memory Safety Buffer Slides |
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Wed Jul 01 | 7. SQL Injection and XSS Slides / Ch. 17 / Ch. 22 |
3. Memory Safety Mitigations and Injection Attacks Discussion: Worksheet / Solutions / Slides |
Project 1
(due Wed Jul 08) |
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Thu Jul 02 | 8. Passwords and CSRF Slides / Ch. 14 / Ch. 21 |
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| 3 |
Mon Jul 06 | 9. Cryptographic Hashes Slides / Ch. 7 |
4. Cookies Discussion: Worksheet / Solutions / Slides |
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Tue Jul 07 | 10. MACs Slides / Ch. 8 |
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Wed Jul 08 | 11. Signatures Slides / Ch. 12 |
5. Hash, MACs, Sigs Discussion: Worksheet / Solutions / Slides |
Project 2 Spec Quiz
(due Fri Jul 10) |
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Thu Jul 09 | 12. Public-Key Infrastructure Slides / Ch. 13 |
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| 4 |
Mon Jul 13 | Midterm 5-7 PM [No Lecture] |
Project 2 Design Checkpoint
(due Fri Jul 17) |
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Tue Jul 14 | 13. Symmetric-Key Encryption Slides / Ch. 6 |
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Wed Jul 15 | 14. Authenticated Encryption 1 Slides |
6. Symmetric Cryptography Discussion: Worksheet / Slides |
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Thu Jul 16 | 15. Diffie-Hellman Key Exchange, Public-Key Encryption Slides |
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| 5 |
Mon Jul 20 | 16. DHE | 7. | Project 2 Testing Checkpoint
(due Fri Jul 24) |
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Tue Jul 21 | 17. PKE (El Gamal) | |||
| 18. TLS I | ||||
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Wed Jul 22 | 8. | |||
| 19. TLS II | ||||
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Thu Jul 23 | 20. What TLS doesn't solve: DoS, DNS, VPNs, Tor | |||
| 6 |
Mon Jul 27 | 21. Signal | 9. | Project 2
(due Fri Jul 31) |
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Tue Jul 28 | 22. Isolation I: Controlled Sharing, Delegation | |||
| 23. Isolation II: Non-Interference, Techniques, VM, Wasm | ||||
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Wed Jul 29 | 10. | |||
| 24. Software Trust (Secure Boot) | ||||
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Thu Jul 30 | 25. Hardware Trust (Spectre/Meltdown) | |||
| 26. Privilege Separation | ||||
| 7 |
Mon Aug 03 | 27. iOS Security Case Study | 11. | Project 3
(due Wed Aug 12) |
| 28. iOS, VM/Wasm, or Spectre/Meltdown buffer | ||||
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Tue Aug 04 | ||||
| 29. iOS, VM/Wasm, or Spectre/Meltdown buffer | ||||
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Wed Aug 05 | 30. LLM Data Poisoning | 12. | ||
| 31. Clickjacking and Phishing | ||||
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Thu Aug 06 | ||||
| 32. Differential Policy | ||||
| 8 |
Mon Aug 10 | 33. LLM Memorization and Safety | No Discussion | |
| 34. Summary | ||||
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Tue Aug 11 | ||||
| 35. Bonus Lecture: TBD | ||||
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Wed Aug 12 | ||||
| 36. Bonus Lecture: TBD | ||||
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Thu Aug 13 | ||||
Final Exam |
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