About

컴퓨터&수학 비슷한 거 공부하는 사람
~~논문 잘 쓰고 싶어요...~~

Work Experience

OOOOOO
May. 2022 ~ Feb. 2025
- (Non-Disclosure Agreement)
Airforce Information System Management Group
Jul. 2020 ~ May. 2022
- CERT(Computer Emergency Response Team) for Airforce Headquarter
- Conducted penetration testing and cybersecurity assessments on internal IT systems
- Identified the impact scope of critical vulnerabilities(e.g. log4j) on the Airforce and supported initial response
- Performed security audits and compliance checks on systems, personnel, and management regulations
Agency for Defense Development(ADD)
Jul. 2018 ~ Jul. 2020
- Performed research projects in cybersecurity
- Developed a cyber threat prediction model based on the MITRE ATT&CK framework

Korea University, School of Cybersecurity (M.S./Ph.D. Student)
Sep. 2019 ~ now
Korea University (B.S.)
Mar. 2014 ~ Feb. 2018
Korea Science Academy of KAIST
Mar. 2011 ~ Feb. 2014
- High School, graduated Summa Cum Laude in Informatics
- KAIST Honor's Program

KITRI WhiteHat School Mentor
Mar. 2025 ~ now
International Olympiad in Informatics (IOI) Winter Camp Teaching Assistant
Jan. 2018 ~ Jan. 2018
Samsung Software Membership
Jun. 2017 ~ Feb. 2018
- Samsung’s High Potential Programmer Management Program
- Conducted algorithm mentoring for university students
KITRI Best of the Best Program
Jul. 2016 ~ Feb. 2017
- Cybersecurity Talent Development Program operated by KITRI(Korea Information Technology Research Institute)
Korea University Algorithm Problem Solving Club(AlKor)
- Involved in founding the club and served as the first Vice President

Samsung Collegiate Programming Cup(SCPC)
|Samsung Electronics
2023, 2017
- 5th Prize(2023), 4th Prize(2017)
HYUNDAI MOBIS Algorithm Contest
|Hyundai MOBIS
2022, 2021
- Bronze Prize(3rd place)(2022), 5th Prize(2021)
Woori Coding Festival (Senior Div.) 3rd place
|Woori FIS
2023
Military Coding Competition
|OSAM
2022, 2020
- 3rd(2022), 3rd(2020)
BRANDI Codename B 2nd place
|BRANDI
2020
EDAILY Coding Challenge (Senior Div.) Top Prize
|EDAILY
2018
Korean Collegiate Programming Competition Silver Prize (Team: asdf)
|MSIT
2017
ACM International Collegiate Programming Contest(ICPC)
- 2017 Asia Ho Chi Minh City Regional Contest, Third Prize (Team: asdf)
  2017
- 2017 Asia Daejeon Regional Contest, 3rd place (Team: asdf)
  2017
  - * Advanced to 2018 ICPC World Finals(Not participated due to Military Service)
- 2016 Asia Daejeon Regional Contest, 11th place (Team: PUUUNGSEON)
  2016

DEFCON CTF 32 Final, 9th place (Team: Cold Fusion)
|DEFCON
2024
CCE Cyber Conflict Exercise
|NIS, NSR
2024, 2023, 2022, 2021
- Public Section, 4th(2024), 7th(2023), 4th(2022), 5th(2021)
WhiteHat Contest
|MND, COC
2024, 2022, 2021
- Military Section, 3rd(2024), 2nd(2022), 5th(2021)
Digital Forensic Challenge
|KIISC
2022, 2021
- Participation Prize(2022), Excellence Prize(2021)
Military Cybersecurity Competition Excellence Prize(2nd place)
|MND, DCC
2022
Airforce Cyber Warrior Contest Top Prize
|ROK Airforce
2021
National Crypto Contest
|KISA, NSR
2015, 2014, 2013, 2012
- Excellence Prize(2015), Top Prize(2014), Excellence Prize(2013), Excellence Prize(2012)
Army Hacking Defence Contest Participation Prize
|ROK Army
2015

* MND: Ministry of National Defense /

MSIT: Ministry of Science and ICT /

NIS: National Intelligence Service /

NSR: National Security Research Institute /

KISA: Korea Internet & Security Agency /

COC: Cyber Operations Command /

DCC: Defense Counterintelligence Command /

KIISC: Korea Institute of Information Security & Cryptology

I'm Listening to your Location! Inferring User Location with Acoustic Side Channels. (WWW '18, 2nd Author) 🔗

Attack Scenario Visualization for Situational Awareness in Cyber Defense Operation. (VizSec '19, 2nd Author) 🔗