Locked Shields 24
Deputy Team Leader
*Ministry of National Defense
DEFCON CTF 32
FINALIST
*Team ColdFusion
Next-generation security
leader training program
BoB 5th BEST 10
CyberNet23, BOTS ...
Awards Win
Threat Hunting
✦
Cyber Forensic
✦
AI
✦
Cyber Attack Emulation
✦
Security Operation
✦
Research
✦
Product Manage
✦
UI/UX Design
✦
Algorithm
✦
Threat Hunting
✦
Cyber Forensic
✦
AI
✦
Cyber Attack Emulation
✦
Security Operation
✦
Research
✦
Product Manage
✦
UI/UX Design
✦
Algorithm
✦
Threat Hunting
✦
Cyber Forensic
✦
AI
✦
Cyber Attack Emulation
✦
Security Operation
✦
Research
✦
Product Manage
✦
UI/UX Design
✦
Algorithm
✦
Under the auspices of NATO CCDCOE(Cooperative Cyber Defence Centre of Excellence), participated in the world's largest and most complex cyber defense exercise, competing with 40 countries globally. Represented the military in joint training with various government, financial, and energy institutions.
2023.03~2023.04. / 2024.04~2024.05.
RESULT
• '24 The only team in the world to identify all custom malware
• '24 Overall ranking: 11th → 8th (detailed rankings not disclosed)
• '23 Identified and blocked over 40 Red Team attacks, including web shells, ransomware, and reverse shells
• '23 Technical ranking: 13th → 7th
POSITION
• '24 Deputy Team Leader (Ministry of National Defense, Republic of Korea)
• '23 Threat Hunting Team Leader
TASKS
• Managed training and coordinated with cybersecurity institutions
• Established and optimized security systems (Zeek, Suricata, Sysmon) and integrated with Splunk
• Designed threat hunting policies, and built dashboards and apps for service managers
• Optimized search speed using data models (average search time 25.3s→1.3s)
Participated in an international live cyber offense and defense exercise hosted by the Netherlands Cyber Command, competing with 10 countries including Germany, the UK, and Japan.
2023.04~2023.05.
RESULT
• Winner (1st place)
POSITION
Republic of Korea Blue Team
TASKS
• Performed real-time service vulnerability analysis and patching
• Developed an AI-based automated vulnerability reporting program
• Developed a program to conceal attack techniques using noise
A program organized by KITRI(Korea Information Technology Research Institute) to nurture South Korea's top next-generation security leaders.
2016.07~2017.03.
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RESULT
• Selected as one of the top talents (BEST 10)
• Discovered 17 vulnerabilities in commercial security solutions
• Presented at KISA(Korea Information Security Agency)'s Q1 2017 Cyber Security Incident Seminar
POSITION
Security Consulting
TASKS
• Designed security architecture, provided governance consulting, performed system/web hacking, and managed information security certification
• Proposed vulnerability attack scenarios via security solutions
• Planned projects and analyzed vulnerabilities in commercial security solutions
• Ongoing research
2019.09 -
Master
• Completed courses in system/web hacking, cryptography, international law, reverse engineering, compilers, security engineering, databases, etc.
2014.03-2018.02.
Bachelor
• Captain of the 29th class of the Information Science Club ‘Semtel’
• Member of the algorithm academic club ‘I am Coder’
2011.03-2014.02.
Graduate
Korea Chief Privacy Officers Forum
2024.04.
G24-041-01-00097
Ministry of Science and ICT
2018.12.
HRD-20210314151719-31891
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