Languages | Rust, Python, C/C++, etc. |
Good at | Reversing, Cryptography, Algorithms & Data Structures |
Interested in | Binary analysis, Applied cryptography, Software development (including games :D) |
Software Engineer, Kodebox Seoul, South Korea |
Oct 2018 - Dec 2019 1y 2 months |
» Mainly developed CodeChain(Link), introducing new features, doing maintenance jobs and optimizations
» Researched on various cryptographic methods used in blockchain technologies |
Research Intern, Netmarble Seoul, South Korea |
Jun 2018 - Aug 2018 2 months |
» Interned at Netmarble AI Revolution Center (NARC)
» Studied about reinforcement learning algorithms, including Actor-Critic, TRPO & PPO, and applied to game AIs |
Korea Advanced Institute of Science and Technology (KAIST) | Mar 2020 - PRESENT |
» Studying for a master's degree, as a member of SysSec(Link). |
Pohang University of Science and Technology (POSTECH) | Mar 2015 - Feb 2020 5y |
» Bachelor of Scince in Creative IT Engineering & Computer Science and Engineering (Magna Cum Laude) » Took a break for 1 year, from Mar 2018 to Feb 2019, to rest and do internships |
Seoul Science High School | Mar 2012 - Feb 2015 3y |
CTFs | ||
2020 | 1st place, ASIS CTF Finals | Online |
2020 | 1st place, HITCON CTF | Online |
2020 | 1st place, Dragon CTF | Online |
2020 | 2nd place, Donjon CTF | Online |
2020 | 1st place, Balsn CTF | Online |
2020 | 1st place, KipodAfterFree CTF | Online |
2020 | 1st place, Hack.lu CTF | Online |
2020 | 4th place, N1CTF | Online |
2020 | 3rd place, TastelessCTF | Online |
2020 | 1st place, InterKosen CTF | Online |
2020 | 1st place, Defenit CTF | Online |
2020 | Finalist, DEF CON CTF | Online |
2020 | 4th place, PlaidCTF | Online |
2019 | Finalist, Google Capture The Flag | Online support |
2019 | 1st place, Hack.lu CTF | Online |
2019 | Finalist, DEF CON CTF | United States |
2019 | 3rd place, PlaidCTF | Online |
2019 | Finalist, 0CTF/TCTF | China |
2019 | 1st place, Codegate CTF (University division) | Seoul, South Korea |
2019 | 1st place, Harekaze CTF | Online |
2018 | Finalist, CODE BLUE CTF | Japan |
2018 | Finalist, Google Capture The Flag | United Kingdom |
2018 | Finalist, DEF CON CTF | Online support |
2018 | 4th place, Plaid CTF | Online |
2018 | 4th prize, Samsung Capture the Flag | Seoul, South Korea |
2017 | Finalist, HITCON CTF | Online support |
2017 | Finalist, DEF CON CTF | United States |
2017 | 4th place, SECUINSIDE CTF | Online |
2017 | 4th prize, Samsung Capture the Flag | Seoul, South Korea |
Programming Competitions | ||
2017 | 26th place, ACM-ICPC Asia Daejeon Regional | Daejeon, South Korea |
2016 | 10th place, ACM-ICPC Asia Daejeon Regional | Daejeon, South Korea |
2016 | 5th prize, Samsung Collegiate Programming Cup | Seoul, South Korea |
2014 | Gold prize, Korean Olympiad in Informatics (High school division) | Suncheon, South Korea |
pbctf Author | 2020 | ||||
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BingoCTF (POC 2020) Author | 2020 | ||||
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Cyber Operations Challenge (사이버작전 경연대회) Author | 2020 | ||||
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POSTECH Programming Competition (PPC) Problem Author | 2018 - 2019 | ||||
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