About#

• Name: DooHyeon Ko
• Nick Name: Pwner7
• Team: HyperSpectrum, Team Jamong
• School: Nonsan High School

Interested In#

• Hacking (Pwn/Rev/Web)
• Computer Vision
• Problem Solving (ex, Baekjoon)
• Machine Learning
• Cooking
• ISEGYE IDOL

Education and CTFs#

2022#

• Gwangseok Middle School
• 2022 Konyang University Information Security Gifted Education Center Middle School Advanced
• 2022 Konyang University Hacking Defense Contest 8th place (individual competition)
• 2022 8th Ministry of Education Information Security Gifted Education Center Information Security Contest 34th place (individual exhibition)
• 2022 Konyang University Hacking Defense Competition 2nd 6th place (team competition)
• Pikachu Volleyball Memory Hack Announced

2023#

• Nonsan High School
• Konyang University Information Security Gifted Education Center Advanced Basic Advanced
• 2023 Soonchunhyang University Youth Information Protection Festival 14th place (solo exhibition)
• 2023 Konyang University format string bug vulnerability announcement
• 2023 Konyang University 9th Information Security Competition
• HITCON CTF 2023 (solo exhibition)

2024#

• Mapna CTF 2024
• Real World CTF 6th
• DiceCTF 2024 Quals
• LINE CTF 2024
• BYUCTF 2024
• idekCTF 2024
• SekaiCTF 2024
• CSAW CTF Qualification Round 2024
• m0leCon CTF 2025 Teaser
• HKCERT CTF 2024 (Qualifying Round)
• niteCTF 2024 (Team: HyperSpectrum)
• 0CTF 2024 (Team: HyperSpectrum)
• 0xl4ugh CTF (Team: HyperSpectrum)

2025#

• iris CTF 2025 (Team: HyperSpectrum)