+ 2021.03 ~         | KGU Computer Science

+ 2021.03 ~         | K.knock
- 2021.03 ~         | 12th generation
- 2023.01 ~ 2024.01 | club president

+ 2023.01 ~ 2023.08 | ZI:EN Internship

+ 2023.07 ~ 2023.11 | Kyonggi GapYear

+ 2023.10 ~ 2024.02 | Stealien SSL 4th

+ 2024.06 ~ ing     | Best of the Best 13th

+ 2018.06 ~ 2018.08 | Ransomware research / Development of test ransomware using Minesweeper

+ 2021.01 ~ 2021.03 | Multipurpose discord bot, muusic

+ 2021.07 ~ 2021.08 | HANCOM x NACHO CAN communication fuzzer
- 🏆 2nd (KGU SW mock company competition)

+ 2022.05 ~ 2022.12 | K.knock Study (Network, Web, Rev, Pwn)

+ 2022.03 ~ 2022.05 | Diagnostic tool for information exposure in chatbots
- 🏆 1st (KGU BARUN Problem Solving)

+ 2022.05 ~ 2022.08 | CTFd plugin for Web-based CTF

+ 2023.01 ~ 2023.01 | Web pentest for edtech companies
- Report over 20 vulnerabilities

+ 2023.01 ~ 2023.03 | Static Binary Anaylsis tool (Zploit)
- PoC / In production with multiple companies

+ 2023.03 ~ 2023.07 | IoT vulnerability scanning solution (Z-IoT)
- PoC / In production with multiple companies

+ 2023.07 ~ 2023.08 | Web, Application pentest for edtech companies
- Report over 10 vulnerabilities

+ 2023.07 ~ 2023.08 | Firmware Encryption Solution
- Successed in multiple test boards

+ 2023.06 ~ 2023.08 | SBOM for Firmware (ZBOM)

+ 2023.08 ~ 2023.10 | IoT pentest for KEA target companies
- Report for over 10 companies

+ 2021.08 | K.knock Web CTF 2021
- 🏆 2nd

+ 2021.12 | KCTF 2021
- 🏆 2nd

+ 2021.11 | KGU SW mock company competition
- 🏆 2nd

+ 2022.05 | BARUN Problem Solving
- 🏆 1st

+ 2023.08 | HSpace CTF
- 🏆 Finals

+ 2023.09 | CODEGATE 2023
- 🏆 Finals

+ 2023.09 | Cyber Security Challenge
- 🏆 4th
- 🎖️ IITP Director Award (정보통신기획평가원장상)

+ 2023.10 | ICT Internship
- 🏆 2nd
- 🎖️ IITP Director Award (정보통신기획평가원장상)

+ 2024.06 | Hackthoen Sejong 2024
- 🏆 Finals

+ 2022.07.02 | 2022 RO:AD 2nd Internal Seminar
- Security vulnerabilities of drones (About Jamming)

+ 2022.11.13 | 2022 CCA Seminar for Newbies
- Keeping it HIP while looking at the HEAP

+ 2022.10.08 | 2022 K.knock Internal Seminar
- Review of developing & operating a web-based CTF

+ 2023.05.30 | 2023 K.knock Special Lecture
- About Logical Bug

+ 2023.11.18 | 2023 BaoBoB Seminar (KGU, KNPU, SU union seminar)
- Tips for (Semi)Automation Anaylsis plugin/tool develop

+ 2022.08 / 2023.08 | K.knock Web CTF 2022 / K.knock Web CTF 2023
- STAFF

+ 2022.12 | KCTF 2022
- STAFF

+ 2023.03 | Baobab CTF (KGU, KNPU, SU union CTF)
- STAFF

+ 2023.10 | The Hacking Championship Junior 2023
- STAFF

+ 2023.10 | KERIS 2023
- STAFF

+ 2023.12 | KGU x K.knock KCTF 2023
- STAFF