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

Education

• 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

Activities

• 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

Awards & Contests

Algorithm

• 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

Security

• 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

Others

• Military AI Contest(MAICON) Excellence Prize

  |MND

  2024
• Military Cyber Talpiot Hackathon Top Prize

  |MND, MSIT

  2023

Research

Paper

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

Poster

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