CV

Education

B.S. in EE/CS, KAIST 2018 Mar - 2024 Feb (GPA Total: 3.96/4.3, GPA Major: 4.08/4.3)

Spring 2024 - Current: Junior Security Auditor
- Otter Security LLC
- Duties included: EVM Smart Contract Audits
- Supervisor: Robert Chen
Fall 2023 - Fall 2024 : Undergraduate Research Assistant
- KAIST Hacking Lab
- Duties included: Browser Fuzzing Research, Decompiler Research
- Supervisor: Professor Insu Yun

Insu Yun, Woosun Song, Seunggi Min, and Taesoo Kim. 2021

A Beginner-Friendly Tutorial on Kernel Exploitation
- link (343 stars / 45 forks)
- Wargame style tutorial for teaching kernel exploit techniques.
- Discusses popular techniques to bypass Linux Kernel exploit defenses such as SMEP/SMAP/kPTI.
CTF Write-Ups
- link
- Includes detailed CTF write-ups from 2018 to 2021, mostly pwn (binary exploitatino)

dTLB Timer: Measuring L1 dTLB Latency Under the Absence of Fine Grained Timing Primitives
- link
- Term project for KAIST 2022 Spring EE595: Hardware Security
- Proposed a method to reverse engineer the pLRU replacement policy of Intel Skylake’s L1 dTLB
- Contains a working PoC in JavaScript/WebAssembly that uses DOM’s performance.now() API for time measurement
CosmWasm Simulator
- link
- Smart contract debugging framework for the CosmWasm ecosystem.
- Developed during the security audit of TerraSwap, a decentralized exchange deployed on Luna2.0
Smart Contract Audits
- link
- Audited 12+ DeFi protocls of various types while working in OtterSec.
- Uncovered 4 high severity vulnerabilities.

Bug Bounties
- Remote code Execution in HanCell(domestic alternative to Microsoft Excel), CVE assignment in progress
CTF(Capture-The-Flag) Competitions
- HXP CTF 2021, 2nd place (with team Super Guesser)
- DEFCON CTF 27 Finals, 12th place (with team KaisHackGoN)
- Codegate CTF 2019 University Division, 3rd place (with team GoN)
- Including many more…
Academic Awards
- KAIST Dean’s List: 2018 Spring, 2022 Spring, 2022 Fall
Scholarships
- National Science & Technology Scholarship (2019 Fall - Present)

Aug 2020 - Feb 2022: Mandatory Military Service (Korea Army, English Interpreter)