CV
Education, experience, and skills.
Contact Information
| Name | Jeonghyun Sim |
| wjdgus0425@korea.ac.kr |
Experience
-
2025 - present Seoul, South Korea
M.S. Student Researcher
HCRL, Korea University
- Threat Modeling and Cyber Attack Defense Simulation for Future Unmanned Vehicles (NRF, May 2026 – Dec. 2026): RL-based attack/defense agent development
- Development of Common Core Security Technologies for Unmanned Vehicles (NRF, Jan. 2026 – Present): adversarial attacks & defenses on AV perception
- AutoHack Dataset Construction for Automotive Security Research (Korea University, Oct. 2025 – Dec. 2025): real-vehicle CAN attack dataset construction & validation
-
2024 - 2024 Jukjeon, South Korea
Undergraduate Research Assistant
ISTL, Dankook University
- ML-Based Anomaly Detection for File System Metadata (National Security Research Institute): metadata preprocessing and ML model training
Education
-
2025 - present Seoul, South Korea
M.S.
Korea University
Information Security
- Thesis Advisor: Prof. Huy Kang Kim
- Hacking and Countermeasure Research Lab (HCRL), Graduate School of Information Security
- GPA: 4.22 / 4.5
-
2020 - 2025 Jukjeon, South Korea
B.S.
Dankook University
Industrial Security
- Intelligent Security Technology Lab (ISTL), Department of Industrial Security
- GPA: 3.85 / 4.5
Publications
-
2025 A Generalized Framework for Adversarial Attack Detection and Prevention Using Grad-CAM and Clustering Techniques
-
2024 Adversarial Attack Detection Method for Image Classification Models Based on Attention Mechanism
-
2023 Autoencoder-Based Defense Technique against One-Pixel Adversarial Attacks in Image Classification
Under Review
- First author — LLM multi-agent system security: intent alignment for detecting intentional misalignment in agent reasoning (JCR Q1 journal)
- Co-author — Autonomous driving perception robustness: two-stage restoration framework for robust object detection under adversarial perturbation (JCR Q1 journal)
Patents
- High-Frequency Correlation-Based Transformer Model for Adversarial Example Restoration in Autonomous Driving Images — KR Patent Application No. 10-2025-0166315, filed Nov. 6, 2025 (pending)
- Multi-Channel Image-Based Cyber Attack Detection System Using Feature Group-Based Multi-Dataset Integration in UAV Environments — KR Patent Application No. 10-2025-0161718, filed Oct. 31, 2025 (pending)
Awards
-
2025 BK21 FOUR Graduate Research Fellowship
National Research Foundation & Ministry of Education, South Korea
Selected as a high-achieving graduate researcher under the Brain Korea 21 Project (Phase 4)
-
2023 Bronze Prize, Daou Technology Undergraduate Programming Contest
Daou Technology
-
2022 Grand Prize, Security Convergence Idea Hackathon
Dankook University
Skills
Programming Languages: Python, C
Frameworks & Libraries: PyTorch, Scikit-Learn
Tools: Docker, Linux, Git