He fell into computer world with a 386 PC gifted by his father when he was 5th grade.
He kept growing his skills and met people in Nownuri BBS's hacking group during highschool years,
and there he met SeungJin Lee(beist), resulting current slavery life.
Right after SAT test, he made "HackerSchool(www.hackerschool.org)", a security community site
which he's been running for more than 15 years, and got his nickname of 'leader uncle of
100 thousand kiddo hackers'.
He likes every field of security including system hacks, web hacks, reverse engineering, hardware hacks
and he's also interested in training/education systems for beginners, such as being a mentor of BoB,
organizing teenagers' CTF event, running HackingCamp, organizing CODEGATE Junior conference, etc.
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