CV
Work Experience
Georgia Institute of Technology
Postdoctoral Fellow — School of Cybersecurity and Privacy
Jan 2025 - Present
Core member of Team Atlanta, 1st place winner of DARPA’s AI Cyber Challenge (AIxCC). Developing multi-agent AI systems for automated vulnerability discovery and exploitation.
- Advisor: Prof. Taesoo Kim
Samsung Security Center, Samsung SDS
Senior Engineer — Advanced Penetration Testing Group
Aug 2022 - Dec 2024 (2 years 5 months)
Drove Red Team operations across AI systems, IoT devices, Android apps, and kernel-level mitigations. Secured 1B+ users through security reviews across 30+ consumer/enterprise products.
Education
Awards & Recognition
| Award | Result | Team | Date |
|---|---|---|---|
| DARPA AIxCC | 1st Place ($4M) | Team Atlanta | Aug 2025 |
| DEF CON 27 CTF | Finals (12th/16) | KaisHack GoN | Aug 2019 |
| DEF CON 26 CTF | Finals (21st/24) | KaisHack+PLUS+GoN | Aug 2018 |
| WhiteHat Contest | 1st Place ($30K) | Old GoatskiN | Nov 2017 |
| HDCON | 1st Place ($20K) | maxlen | Nov 2017 |
| Codegate CTF | 3rd Place ($5K) | Old GoatskiN | Apr 2017 |
| DEF CON 24 CTF | Finals (5th/15) | KaisHack GoN | Aug 2016 |
| WhiteHat Contest | 1st Place ($20K) | Syssec | Nov 2014 |
| DEF CON 22 CTF | Finals (10th/20) | KAIST GoN | Aug 2014 |
| WhiteHat Contest | 1st Place ($20K) | KAIST GoN | Oct 2013 |
| HDCON | Silver ($2K) | GoN | Dec 2013 |
| DEF CON 20 CTF | Finals (17th/20) | KAIST GoN | Aug 2012 |
| HDCON | Silver ($2K) | KAIST GoN | Jul 2012 |
| Codegate CTF | 3rd Place ($5K) | KAIST GoN | Apr 2012 |
| ISEC CTF | 1st Place ($10K) | GoN | Sep 2011 |