- Sunrin Internet High School InfoSec 117th
- KITRI BoB 12th Vulnerability Analysis
- Layer7 Hacking Club
- cat :flag_kr: CTF Team
- (Former) TeamH4C Hacking Team
- The 3rd Hacking Owls.
- The 2nd Hacking Owls.
- Invited lecture by TeamH4C and Decompiler, a white hacking club at Stony Brook University.
I'm a high school student who loves to study cybersecurity and development.
Among them, I like to play CTF and Wargame.
Besides computers, my other hobbies are chess and climbing.
My main fields are binary exploitation and web hacking, but I'm also trying to be good at reversing and cryptography.
- HITCON CTF 2023 4th (Team 프로그램털모찌)
- Whitehat Contest 2023 Junior 1st ($6000) (Team Orange)
- WACON CTF 2023 Junior 2nd ($3000) (Team The Orange)
- Youth Information Security Festival 1st ($200)
- Hacker's Playground 2023 3rd (Team Cy + Kr)
- Securinets CTF 2023 Finalist (Team cat :flag_kr:)
- ImaginaryCTF 2023 6th (Team cat :cy+:)
- CCE 2023 Teenager 2nd ($2000) (Team 대학가고싶어요)
- Codegate 2023 Junior Finalist
- ACSC 2023 Korea 7th (Global 50th)
- 2022 Christmas CTF 3rd ($1000) (Team Sechack여친구함)
- 2022 Layer7 CTF High School 1st
- 2022 HSpace CTF High School Pwn MVP
- TUCTF High School Top 10 (all 39th, Solo Play)
- Whitehat Contest 2022 Junior Finalist (Team 다음생엔존잘로환생할래)
- CCE 2022 Teenager 2nd ($2000) (Team 플래그를 킵핑하면 탈모가 온다고 합니다!)
- DiceCTF 2022 @ HOPE 19th (Team C4C)
- WACON CTF 2022 Junior Finalist (Team 이세계 아이들)
- Break the Syntax CTF 2022 13th (Team C4C)
- Codegate 2022 Junior Finalist
- 2021 Layer7 CTF Middle School 1st
- The Hacking Championship Junior 2021 Encouragement ($300, Team 씹덕팀명멈춰!)
- Hanse Cyber Security High School 7th Middle School Information Security Contest 1st
- Whitehat Contest 2021 Junior Finalist (Team 에밀리아)
- The 23rd Hacking Camp CTF 1st (Team Sechack여친구함)
- DIMI CTF 3rd
- Shakti CTF 2021 6th (Team TeamH4C, informality)