Insu Yun (윤인수)

Insu Yun (윤인수)

Associate Professor (Untenured)

School of Electrical Engineering

KAIST

Biography

Insu Yun is an associate professor (untenured) at KAIST, currently leading Hacking Lab. He is interested in system security in general, especially, binary analysis, automatic vulnerability detection, and automatic exploit generation. His work has been published to the major computer conferences such as IEEE Security & Privacy, USENIX Security, and USENIX OSDI. Particularly, his research won the best paper award from USENIX Security and OSDI in 2018, and he also won DARPA AIxCC with Team Atlanta.

In addition to research, he has been participating in several hacking competitions as a hacking expert. In particular, he won Pwn2Own 2020 by compromising Apple Safari and won DEFCON CTF in 2015 and 2018, which is the world hacking competition.

Prior to joining KAIST, he received his Ph.D. degree in Computer Science from Georgia Tech in 2020.

Interests

  • Information Security
  • Software Security
  • Hacking

Education

  • Ph.D. in Computer Science, 2020

    Georgia Institute of Technology

  • B.S. in Computer Science & Mathematical Science, 2015

    KAIST

Courses

Recent Publications

Insu Yun, Eunkyu Lee (2026). Function-Level Fuzzing for RTOS Kernels with RTCon. Proceedings of the 2026 IEEE International Conference on Software Testing, Verification and Validation (ICST) Tutorial.

Slides

Eunkyu Lee, Junyoung Park, Insu Yun (2026). RTCon: Context-Adaptive Function-Level Fuzzing for RTOS Kernels. Proceedings of the 2026 Annual Network and Distributed System Security Symposium (NDSS).

Slides Paper

CheolJun Park, Marc Egli, Beomseok Oh, Tuan Dinh Hoang, Suhwan Jeong, Martin Crettol, Insu Yun, Mathias Payer, Yongdae Kim (2025). OTABase: Enhancing Over-the-Air Testing to Detect Memory Crashes in Cellular Basebands. Proceedings of the 41st Annual Computer Security Applications Conference (ACSAC).

Jihee Park, Insu Yun, Sukyoung Ryu (2025). Bridging the Gap between Real-World and Formal Binary Lifting through Filtered-Simulation. Proceedings of the ACM SIGPLAN International Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA) 2025.

PDF

Dongok Kim, Juhyun Song, Insu Yun (2025). CROSS-X: Generalized and Stable Cross-Cache Attack on the Linux Kernel. Proceedings of the 32nd ACM Conference on Computer and Communications Security (CCS).

Slides Paper

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