CSED415: Computer Security (컴퓨터 보안)

The intended audience of this course are senior-level undergraduate students who are interested in computer security. We will cover fundamental computer security concepts and principles including, but not limited to software security, systems security, network security, and cryptography. We will also practice these concepts through hands-on lab assignments and a team project.

ℹ️ Information

• Instructor: Seulbae Kim
• TA: Jangseop Choi (jangseop@postech.ac.kr), Minki Lee (leeminki@postech.ac.kr)
• Term: Spring 2026 (Feb 23, 2026 ~ June 10, 2026)
• Time: Mondays and Wednesdays, 3:30 PM ~ 4:45 PM
• Location: Room 106, Science Building II

🗓️ Schedule

Part 0: Basics and Principles

• Week 1
  • Lec 01: Introduction
  • Lec 02: The Fundamentals
• Week 2
  • Lec 03: Secure Coding
  • Lec 04: On Trusting Trust

Part 1: Attacks and Defenses

• Week 3
  • Lec 05: Basics of Binary Analysis
  • Lec 06: Memory Safety
• Week 4
  • Lec 07: Attacks and Defenses
  • Lec 08: Rethinking Memory Safety

Part 2: Cryptographic Primitives and Applications

• Week 5
  • Lec 09: Symmetric Cryptography
  • Lec 10: Asymmetric Cryptography
• Week 6
  • Lec 11: Hash, Message Authentication Code, and Authenticated Encryption
  • Lec 12: Digital Signatures and Certificates
• Week 7
  • Lec 13: TLS and HTTPS
  • Lec 14: Review of Lab Assignments and Team Project Guidelines

Midterm Exam

• Week 8
  • Midterm Exam

Part 3: Authentication and Authorization

• Week 9
  • Lec 15: User Authentication (1)
  • Lec 16: User Authentication (2)
• Week 10
  • Lec 17: Web Authentication
  • Lec 18: CSRF and XSS

Part 4: Systems and Software Security

• Week 11
  • Lec 19: Discretionary Access Control
  • Lec 20: Mandatory Access Control
• Week 12
  • Lec 21: Malware
  • Lec 22: Anti-Malware
• Week 13
  • Lec 23: Denial-of-Service and Firewall
  • Lec 24: Database Security
• Week 14
  • Lec 25: Fuzzing
  • Lec 26: Symbolic Execution

Final Exam and Project Presentation

• Week 15
  • Lec 27: Team Project Presentations (1)
  • (Holiday) Election Day
• Week 16
  • Lec 28: Team Project Presentations (2)
  • Final Exam

Disclaimer: I referred to the course materials of the following professors for the slides: Prof. Jong Kim (POSTECH), Prof. Taesoo Kim (Georgia Tech), Prof. Sangkil Cha (KAIST), Prof. Nickolai Zeldovich (MIT), and Prof. Reluca Ada Popa (UC Berkeley).