Professional Experience

2024.01 - 2025. 10
Head of AI & WEB Vulnerability Research (Remote + On-site)
BusinessH4C [Link]

Leading research on AI-powered vulnerability detection and web security assessments

Professional Training & Programs

KITRI Best Of the Best 11th - Vulnerability Analysis Track
Korea Information Technology Research Institute [Link]
2022.07 - 2022.12
Stealien Security Leader (SSL) 2nd Generation
Stealien Inc. [Link]
2021.07 - 2021.11
Information Security Gifted Education Program - Advanced B
Seoul Women's University [Link]
2021.03 - 2021.12

Awards & Achievements (26 Total)

2025
๐Ÿฅ‡
LG U+ Security Hacktheon(Capture The Flag) - 1st Place
๐Ÿ†
Hackteon Information Security Competition - Excellence Award
2024
โŒ
DEF CON CTF Qualifier 2024(Team. budaejjigae) - 26th Place [Link]
๐Ÿฅ‡
NRF(National Research Foundation) Cyber Competition - 1st Place
๐Ÿฅ‡
Honam Cybersecurity Web Vulnerability - 1st Place [Link]
๐Ÿฅ‡
Korea University AI & Cybersecurity Academic Festival - 1st Place [Link]
๐Ÿ†
TS Korea Transportation Safety Authority - Merit Award [Link]
๐Ÿ†
LG U+ Security HACKTHEON - 4th Place [Link]
๐Ÿ†
Chungcheong Cybersecurity (NIS, KHIDI) - 4th Place [Link]
๐Ÿ†
KOSPO & Education Ministry Web Security - 4th Place [Link]
๐Ÿ†
Jeollanam-do Web Penetration Testing Competition - Merit Award [Link]
๐Ÿ†
BOB Re-BOB Project Competition - Excellence Award (Anti-Virus Hunting)
2023
โŒ
DEF CON CTF Qualifier 2023(Team. budaejjigae) - 24th Place [Link]
๐Ÿฅˆ
BYUCTF 2023(Team. budaejjigae) - 2nd Place [Link]
๐Ÿฅ‰
Chungcheong Cybersecurity (NIS, KHIDI) - 3rd Place [Link]
๐Ÿฅ‰
KOSPO & Education Ministry Web Security - 3rd Place [Link]
๐Ÿ†
TS Korea Transportation Safety Authority - 5th Place
2022
๐Ÿฅ‡
KEPCO(Korea Electric Power Corporation) ELECCON Power Sector Defense - 1st Place [Link]
๐Ÿฅˆ
KOSPO & Education Ministry Web Security - 2nd Place [Link]
๐Ÿฅ‰
Cyber Guardians Competition - 3rd
๐Ÿ†
The Hacking Championship Junior CTF - Excellence Award
๐Ÿ†
Joongbu University JBU CTF - Merit Award
2021
๐Ÿฅ‡
7th Information Security Gifted Education Center Cybersecurity Competition 1st Place
๐Ÿฅ‡
Semyung Computer High School SMC CTF - 1st Place
๐Ÿฅ‰
Cyber Guardians CTF Competition - 3rd Place
๐Ÿฅˆ
Semyung Computer High School Smart Security Solutions Skills Competition - 2nd Place
๐Ÿ†
The Hacking Championship Junior - 4th Place
2020
๐Ÿ†
The Hacking Championship Junior - 10th Place

CTF Problem Creation Experience (11 Competitions)

2025
BrainHack CDDC2025 SENTINEL CTF - Web Hacking
Singapore Defence Science and Technology Agency (DSTA)
2025
Chungcheong Region Cybersecurity Competition CTF - Web Hacking
Korea Health Industry Development Institute
2025
Korea University KCTF & KCTF JR. - Web Hacking
Korea University AI & Cybersecurity Department [KCTF Repository] [KCTF Jr. Repository]
2024
KAIST & POSTECH KAPO CTF - Web Hacking
KAIST, POSTECH [cgi] [segfault]
2024
BrainHack CDDC2024 - Web Hacking
Singapore Defence Science and Technology Agency (DSTA)
2024
WhiteHat School 2nd Counter-Battle CTF - Web Hacking
KITRI WhiteHat(Pre-bob)
2024
Korea University KCTF & KCTF JR. - Web Hacking, Misc
Korea University AI & Cybersecurity Department [KCTF Repository] [KCTF Jr Repository]
2023
Korea University KCTF JR. - Web Hacking, Misc
Korea University AI & Cybersecurity Department [KCTF JR Repository]
2023
Semyung Computer High School Internal CTF - Reversing, Misc, Web
Semyung Computer High School
2022
KITRI BOB BISC Conference - Web Hacking
KITRI Best Of the Best [narrow Date] [Not Feeling Well]
2022
Power Of XX Women's Hacking Competition - Web Hacking

International Conference Presentations

2024.03.08
2024 Asia WordCamp - Uncover the dark side of WordPress from a hacker's perspective
International WordPress Developer Conference [Conference Website]

Presented advanced WordPress vulnerability research findings to an international audience of developers and security professionals.

Speaking Engagements & Lectures (16 Total)

2025. 11. 10 ~ 2025. 11. 12
Air Force Cyber Operations Center Officers, NCOs, and Civilian Personnel - Advanced Web Hacking CTF & Wargame Solving

(ko)๊ณต๊ตฐ ์‚ฌ์ด๋ฒ„ ์ž‘์ „ ์„ผํ„ฐ ์žฅ๊ต & ๋ถ€์‚ฌ๊ด€, ๊ตฐ๋ฌด์› ๊ต์œก

2025. 11. 03 ~ 2025. 11. 04
Army Cyber Operations Center Officers, NCOs, and Civilian Personnel - Advanced Web Hacking CTF & Wargame Solving

(ko)์œก๊ตฐ ์‚ฌ์ด๋ฒ„ ์ž‘์ „ ์„ผํ„ฐ ์žฅ๊ต & ๋ถ€์‚ฌ๊ด€, ๊ตฐ๋ฌด์› ๊ต์œก

2024.12.03-05
Army Cyber Operations Center Officers, NCOs, and Civilian Personnel - Advanced Web Hacking CTF & Wargame Solving

(ko)์œก๊ตฐ ์‚ฌ์ด๋ฒ„ ์ž‘์ „ ์„ผํ„ฐ ์žฅ๊ต & ๋ถ€์‚ฌ๊ด€, ๊ตฐ๋ฌด์› ๊ต์œก

2024.12.02
Chung-Ang University Industrial Security Department (SecuriOUS) - Web Hacking Introduction and Basic Practice

(ko)์ค‘์•™๋Œ€ํ•™๊ต ์‚ฐ์—…๋ณด์•ˆํ•™๊ณผ(์‹œํ๋ฆฌ์–ด์Šค ๋™์•„๋ฆฌ) - ์›น ํ•ดํ‚น ๊ธฐ์ดˆ ๋ฐ ์‹ค์Šต

2024.09-Present
Korea University KUality - Web Hacking Practice and Advanced Education

(ko)๊ณ ๋ ค๋Œ€ํ•™๊ต ์„ธ์ข…์บ ํผ์Šค(KUality ๋™์•„๋ฆฌ) ์›น ํ•ดํ‚น ์‹ค์Šต ๋ฐ ์‹ฌํ™”๊ต์œก

2024.09.04-06
Army Headquarters White Hacker Training Course - OWASP TOP 10 Mock Hacking Practice

(ko)์œก๊ตฐ๋ณธ๋ถ€ ํ™”์ดํŠธํ•ด์ปค ํ›ˆ๋ จ ๊ณผ์ • - OWASP TOP 10 ๋ชจ์˜ํ•ดํ‚น

2024.03-07
Korea University KUality - Python Basics and Hacking Introduction

(ko)๊ณ ๋ ค๋Œ€ํ•™๊ต ์„ธ์ข…์บ ํผ์Šค(KUality ๋™์•„๋ฆฌ) ํŒŒ์ด์ฌ ๊ธฐ์ดˆ ๋ฐ ์›น ํ•ดํ‚น

2023.09 (1 week)
Cyber Command Military Cyber Expert Education - Web Development, Web Hacking Basics & Advanced

(ko)์‚ฌ์ด๋ฒ„ ์ž‘์ „ ์‚ฌ๋ น๋ถ€ - ์›น ๊ฐœ๋ฐœ & ์›น ํ•ดํ‚น ๊ธฐ์ดˆ ๋ฐ ๊ณ ๊ธ‰ ์‹ค์Šต

2023.09.02
Semyung Computer High School - Web Hacking Techniques and Development Knowledge

(ko)์„ธ๋ช…์ปดํ“จํ„ฐ๊ณ ๋“ฑํ•™๊ต - ์›น ํ•ดํ‚น ๊ธฐ์ดˆ

2023.07.10
Kyonggi University(K.Knock) - Web Hacking and Development Introduction

(ko)๊ฒฝ๊ธฐ๋Œ€ํ•™๊ต ์ˆ˜์›์บ ํผ์Šค(K.Knock ๋™์•„๋ฆฌ) - ์›น ํ•ดํ‚น ๊ธฐ์ดˆ ๋ฐ ์‹ค์Šต

2023.05.01
Jeonnam Regional University Alliance (HYPERS) - Hacking Guide and Basic Curriculum

(ko)์ „๋‚จ์ง€์—ญ ์—ฐํ•ฉ ๋™์•„๋ฆฌ(HYPERS) - ์›น ํ•ดํ‚น ์ž…๋ฌธ ๋ฐ ์ทจ์•ฝ์  ๊ธฐ์ดˆ

2023.04.06
Daejeon University HACTOR - What is Web Hacking?

(ko)๋Œ€์ „๋Œ€ํ•™๊ต(HACTOR ๋™์•„๋ฆฌ) - ์›น ํ•ดํ‚น ์ด๋ž€?

2023.02.11
26th HackingCamp - Web Bug Bounty Experience Sharing [Link]

(ko)ํ•ดํ‚น์บ ํ”„ - ์›น ๋ฒ„๊ทธ๋ฐ”์šดํ‹ฐ ์ž…๋ฌธ

2022.03.11
Stony Brook University (Decompiler) - Web Hacking Story and How to Start
2022.01.29
TeamH4C 2022 "Hacking Owls Webinar" - Web Vulnerability Scanning Tool Methodology

(ko)ํ•ดํ‚นํ•˜๋Š” ๋ถ€์—‰์ด๋“ค ์›น์„ธ๋ฏธ๋‚˜ - ์›น ์Šค์บ๋‹ ํˆด ๊ฐœ๋ฐœ [Seminar Youtube Link-1]

2021.10.30
TeamH4C "Student Hacking Notes Online Conference" - Web Hacking Introduction Story and Methods

(ko)ํ•™์ƒ์šฉ ํ•ดํ‚น ๋…ธํŠธ ์˜จ๋ผ์ธ ์ปจํผ๋Ÿฐ์Šค - ์›น ํ•ดํ‚น ์ž…๋ฌธ ์Šคํ† ๋ฆฌ [Conference Youtube Link-1]

2021.08.14
26th HackingCamp - webhacking.kr Renewed Problem Solving [Link]

(ko)ํ•ดํ‚น์บ ํ”„ - webhacking.kr ๋ฆฌ๋‰ด์–ผ ๋ฌธ์ œ ํ’€์ด

2023.09
Semyung Computer High School Admission Briefing (Alumni Invitation) - Security Department Adaptation and Graduation Story Sharing

(ko)์„ธ๋ช…์ปดํ“จํ„ฐ๊ณ ๋“ฑํ•™๊ต ์ž…ํ•™์„ค๋ช…ํšŒ(๋™๋ฌธ ์ดˆ์ฒญ) - ๋ณด์•ˆํ•™๊ณผ ์ ์‘ ๋ฐ ์กธ์—… ์Šคํ† ๋ฆฌ ๊ณต์œ 

Bug Bounty & Vulnerability Research

2022-2023
WordPress Plugin Vulnerabilities (16 CVEs)
KITRI Best Of the Best 11th Project, Detection through Vulnerability Scanner Development

Types: Stored XSS, Reflected XSS, SQL Injection [Hall Of Fame]

2024.09 - 10
NRF(National Research Foundation) Web Service Security Assessment
National Research Foundation (NRF)
2024.01 - 03
Anti-Virus Vulnerability Bug Hunting
KITRI Best Of the Best
2022.10 - 12
E-commerce Platform Vulnerability Bug Hunting
KITRI BOB (Best Of the Best) - WordPress Vulnerabilities

Additional Activities

Current
BusinessH4C WhiteHat Hacking OFFENSIVE Web Track Mentor
Mentoring for Hacking Beginners
Former
KITRI Pre-BOB WhiteHat 2nd Project Leader
CTF and BugBounty Web Hacking Study Project Team [Link]
Former
KITRI Pre-BOB WhiteHat 1st Project Leader
CTF and BugBounty Web Hacking Study Project Team [Link]
Former
Korea University KUality Operations Team
Information Security Club Management
Former
Semyung Computer High School SCA Cybersecurity Club Vice President
Smart Security Solution Department