Kyeong Kyuchang

Hello, I’m kyeong kyu chang I graduated from Kookmin University from 2019 to February 2025. I completed the BoB 10th program from 2021 to March 2022, and since then, I’ve been working at ???. I’ve been an active member of Team H4C, a hacking team, from 2020 to the present.

[13u9]

Blog: https://13u9.wiki

Gmail: [email protected]

X: @13u9_kyeong

Github: https://github.com/l3u9

Code4rena: 13u9 CodeHawks: 13u9

Organization

• Working in ????? (~ Now, Maybe until 2026.7)
• Kookmin University / Department of Information Security, Cryptology, and Mathematics (~ Feb 2025)
• KITRI Best Of The Best: BoB 10th (2021 ~ 2022.03)
• Team H4C @ WhiteHat Hacking Team (2020 ~ Now)
• Hashcat (University Club) @ President & Educator (2023 ~ Now)

Project