Profile


맹서현 / 2006.02.17

Organization


  • Sunrin Internet High School InfoSec 117th
  • Layer7 Hacking Club
  • KITRI BoB 12th Vulnerability Analysis
  • cat :flag_kr: CTF team
  • DeadSec CTF team

Activity


  • 선린인터넷고등학교 SW 영재원 (2020.04 ~ 2020.11)
  • 선린인터넷고등학교 SW 영재원 (2021.04 ~ 2021.11)
  • 현대오토에버 화이트해커 양성교육 (2022.07 ~ 2022.11)
  • KITRI BoB 12th Vulnerability Analysis (2023.07 ~ 2024.03)
  • Theori Security Researcher Intern (2024.07 ~ )

CTF & Award


2024

  • 1st, CODEGATE Junior 2024 (₩3,000,000)
  • 9th, DEFCON 32 Finals (Team Cold Fusion)
  • 6th, DEFCON 32 Quals (Team Cold Fusion)
  • Whitehat 10, Best of the Best (₩3,000,000)
  • 1st, 육군 Cyber Security challenge (₩1,000,000) (Team 냥코)
  • 1st, WITHCON, Whitehat Contest Junior 2024 (₩6,000,000) (Team 야옹)
  • 1st, 한양대 HCTF 2024 (Team 한양대특기자권율)
  • 2nd, CCE, Cyber Conflict Exercise Junior 2024 (₩2,000,000) (Team 냥코)
  • 미래기술연구소 장학생 선정 (₩1,000,000)
  • 2nd, Hspace Cyberwar pwn
  • 4th, YISF CTF 2024 (₩500,000)
  • 7th, LINE CTF 2024 (Team Cold Fusion)
  • 1st, Hspace Cyberwar pwn
  • 1st, Cyber Apocalypse 2024: Hacker Royale (Team Friendly Maltese Citizens)

2023

  • 2nd, 선린 고등해커 페스티벌 2023 (Team 냥코)
  • 2nd, Dreamhack KAPO, KAIST-POSTECH CTF 2023
  • 1st, ABB CTF 2023 (₩1,000,000) (Team 냥코대전쟁)
  • 1st, Cyber Guardians CTF 2023 (Team 냥코대전쟁)
  • 2nd, WITHCON, Whitehat Contest Junior 2023 (₩4,000,000) (Team 뿡빵띠)
  • 3rd, WACON, Whitehat Attack Contest Junior 2023 (₩2,000,000) (Team 옆집 서현이 때문에 어느샌가 블랙해커로 타락한 사연)
  • 4th, YISF CTF 2023 (₩500,000)
  • 3rd, KOSPO CTF 2023 (₩500,000) (Team cats save the world)
  • 3rd, CCE, Cyber Conflict Exercise Junior 2023 (₩1,000,000) (Team 가끔씩 툭하고 어셈블리어로 부끄러워하는 옆자리의 서현 군)
  • 2nd, JBU CTF 2023 (Team 달)
  • Finalist, Codegate Junior 2023
  • 1st, 선린 모의해킹방어대회 2023

2022

  • 2nd, 선린 고등해커 페스티벌 2022 (Team Sechack)
  • 2nd, 현대오토에버 화이트해커 경진대회 2022 (₩1,000,000)
  • 2nd, Cyber Guardians CTF 2022
  • 3rd, LOGCON CTF 2022
  • 4th, Dreamhack Christmas CTF 2022
  • 5th, Whitehat Contest Junior 2022
  • 5th, CCE, Cyber Conflict Exercise Junior 2022
  • 한림장학재단 장학생 선정 (₩1,000,000)

2021

  • 창의적 산출물 발표회 금상 2021
  • SW 영재 창작대회 장려상 2021

2020

  • 창의적 산출물 발표회 우수상 2020