About#
I focus on web and embedded security, with an interest in firmware analysis and vulnerability discovery.
Disclosed Vulnerabilities#
ORSA-2026-001
2026.09.20CVSS 8.1 (High)
Identified an unauthenticated BLE path into legacy DFU mode on SwitchBot Hub Mini, potentially allowing unintended firmware installation.
Work Experience#
HEXALABS by CROCUS
2026.04 ~ NowOffensive Security Researcher
Republic of Korea Army
2024.09 ~ 2026.03Sergeant
Compulsory Military Service, served at Sungnam.
LIG D&A
2024.07Cyber Electronic Warfare Development Division Intern
LG Electronics
2024.01 ~ 2024.02Home Entertainment Company · TV Security & Compliance Team Intern
Education#
B.S. Student in Smart Security
2021 ~ 2027Korea University
Current GPA: 4.16/4.5
CyKor
2022 ~ 2023Korea University Hacking Club
Honors and Awards#
Whitehat Contest
20253rd Place
Team 우리에게천재일우의기회가왔다
Full Tuition Scholarship
2021Division of Smart Security, Korea University
Awarded for top-ranked admission and covers the entire degree program.
Skills#
- Reverse Engineering, Web Hacking, Firmware Analysis
- Penetration Testing
- C, Python
Languages#
- Korean : Native Speaker
- English : Intermediate
- Japanese : Fluent (JLPT N1)