About Me
PhD student in School of Cybersecurity, Korea University
Research Interest
- Cybersecurity 🛡️
- Digital Forensics 🎓
- Software Development 🛠️
Links
Experience
| 2025.09 - 2026.02 | Visiting Student at Kellogg College, University of Oxford |
| 2022.03 - Present | Full-time Researcher at Digital Forensics Lab, Korea University |
| 2021.07 - 2021.12 | Intership Developer at WINS Co., Ltd. |
| 2020.07 - 2021.03 | Digital Forensics Student at Best of the Best Program, KITRI |
Publications
International
- J. Lee, G. Choi, J. Han, and J. Park, “Advanced Monero Wallet Forensics: Demystifying Off-Chain Artifacts to Trace Privacy-Preserving Cryptocurrency Transactions”, DFRWS APAC, 2025 🔗
- G. Choi, J. Bang, S. Lee, and J. Park, “Chracer: Memory analysis of Chromium-based browsers”, DFRWS APAC, 2023 🔗
- S. Cheon, G. Choi, and D. Kim, “A Cheating Attack on a Whitelist-based Anti-Ransomware Solution and its Countermeasure”, IEEE ICCE, 2023 🔗
- D. Kim, G. Choi, and J. Lee, “White List-based Ransomware Real-time Detection and Prevention for User Device Protection”, IEEE ICCE, 2018 🔗
Domestic
- H. Park, G. Choi, and J. Park, “A Study on Automating Forensic Artifact Identification and Change Tracking for Electron-based Applications”, Journal of Digital Forensics, 2025
- Y. Jeon, G. Choi, and J. Park, “A Study on Forensic Analysis Methods for STT (Speech-To-Text) Applications in Android Environments”, Journal of The Korea Institute of Information Security and Cryptology, 2025
- Y. Lee, G. Choi, and J. Park, “A Study on Methods for Identifying Traces of Web-Based Cryptocurrency Exchange Services”, Journal of Digital Forensics, 2025
- S. Yun, G. Choi, and J. Park, “A Study on User Behavior Analysis Techniques Leveraging macOS’s Apple Unified Log”, Journal of Digital Forensics, 2024
- H. Gwon, B. Jeong, G. Choi, and J. Park, “Research on Method for Analyzing and Normalizing Android Diagnostic Logs for Digital Forensics”, Journal of Digital Forensics, 2023
- J. Choi, G. Choi, and S. Lee, “Tracing Copyright Infringement Activities through Illegal Streaming Device Protocol Analysis”, Journal of Digital Forensics, 2023
- S. Jeong, G. Choi, J. Jeon, E. Jo, Y. Hwang, H. Nam, K. Kim, and J. Kim, “Collection and Analysis Methods of Automatic Identification System Artifacts”, Journal of Digital Forensics, 2021
Presentation
- “Investigation of copyright infringment site usage traces through memory forensics”, KSIE Conference on Fall, 2023
- “Chracer: Memory analysis of Chromium-based browsers”, DFRWS APAC, 2023
- “A study on collecting and normalizing potential digital evidence from Android devices using ADB commands”, KDFS Conference on Summer, 2023
- “A Cheating Attack on a Whitelist-based Anti-Ransomware Solution and its Countermeasure”, IEEE ICCE, 2023
- “File Access Monitoring using File System Filter Driver”, U.U.U Workshop, 2017
Prize and Honor
- Best Poster, DFRWS APAC, 2025
Paper: “LLM-Assisted Detection of Suspicious Conversations Using NER and RAG-Based Candidate Message Retrieval” - Best Paper (issued by Commissioner General of Korea Coast Guard), KDFS Winter Conference, 2025
Paper: “LLM-Assisted Detection of Suspicious Conversations Using NER and RAG-Based Candidate Message Retrieval” - Winner (1st place), DFRWS ICS Challenge, 2025
- Best Paper (issued by President of KDFS), KDFS Summer Conference, 2025
Paper: “A Study on Automating Forensic Artifact Identification and Change Tracking for Electron-based Applications” - Best Paper (issued by Commissioner General of Korean National Police Agency), KDFS Winter Conference, 2024
Paper: “A Study on Methods for Identifying Traces of Web-Based Cryptocurrency Exchange Services” - Best Paper (issued by Commissioner General of Korean National Police Agency), KDFS Summer Conference, 2023
Paper: “A study on collecting and normalizing potential digital evidence from Android devices using ADB commands” - Excellence Prize (2nd place), Cyber Security AI·BigData Challenge, 2022
- Top Prize (1st place), Cyber Security AI·BigData Challenge, 2021
- BEST 10, KITRI Best of the Best (BoB) Program, 2021
- Best Paper (issued by President of KDFS), KDFS Winter Conference, 2020
Paper: “Forensic analysis of Chinese automatic identification system” - Participation Prize, KDFS Digital Forensics Challenge, 2020
- Bronze Medal (3rd place), The 49th National Skills Competition, 2014
- Bronze Prize (3rd place), NetRiders Korea 2014 - The 10th Skill Competition, 2014
- Excellence Prize, The 48th National Skills Competition, 2013
Education
- PhD, Korea University (2024 - Present)
- MS, Korea University (2022 - 2024)
- BE, University of Suwon (2016 - 2022)