Bio

I am currently pursuing an MS-PhD Integrated Program at KAIST, where I am a member of the KAIST Hacking Lab. My primary research interests lie in system security, software exploitation, and vulnerability research. I actively participate in Capture The Flag (CTF) competitions and enjoy exploring real-world security issues through hands-on technical work. Recently, my focus has been on leveraging large language models (LLMs) for vulnerability discovery and analysis. I am passionate about bridging theory and practice in cybersecurity, with the goal of contributing to both academic research and practical advancements in the field.

EDUCATION

• MS-PhD. Electrical Engineering in KAIST (2026 ~ )
• MS. Electrical Engineering in KAIST (2025 ~ 2026)
• BS. Cyber Defense in Korea University (2021 ~ 2025)

EXPERIENCE

• Hacking Lab, KAIST (PI : Professor Insu Yun) (2025 ~ )
• System Security Lab, University of Oxford (2025 ~ 2026)
• Hardware Security Lab, Korea University (2023 ~ 2025)
• Digital Forensic Research Center, Korea University (2021)

PUBLICATION

[W] Workshop  |  [J] Journal  |  [D] Domestic Conference

• [W.1] Dongjun Lee, Ga-eun Bae, Insu Yun, Second Workshop on Agents in the Wild: Safety, Security, and Beyond (ICML 2026), “CTFusion : A CTF-based Benchmark for LLM Agent Evaluation”
• [D.2] Dongjun Lee, Insu Yun, CISC-S 2026, “UnionSanitizer: A Static-Dynamic Hybrid Analysis Tool for Detecting Tagged Union Type Confusion Vulnerabilities”
• [J.1] Beomjoon Kim, Dongjun Lee, Junghee Lee, and Wonjun Lee, “Snapshot Cherry-Picking Attack in CEX Proof of Reserves and Its Mitigation,” to appear in IEEE Access
• [D.1] Yun-Je Shin, Dongjun Lee, I-Sac Seo, Byeoung-Chan Chi, Jeong-Min Oh, Seoung-Jae Hwang, Jin-Myeong Park, Joo-Bon Cho, Si-Hyeong Jeong, CISC-W 2023, “Hardware security vulnerabilities in small IoT trackers: APProtect bypass and fault injection”

CVE

• Microsoft: CVE-2026-50367, CVE-2026-49800, CVE-2026-42910
• Samsung: CVE-2024-34596, SVE-2023-2244, SVE-2023-2192, SVE-2023-1967

For more info

For additional details about my research experience, academic background, and security-related projects, please refer to the CV below. It includes a comprehensive overview of my technical work, collaborations, and ongoing interests in the field of cybersecurity.