About

I am a Korean-born security analyst with an interest in offensive security and automation.

I currently hold the following certifications:

• Offensive Security Certified Professional (OSCP)
• Offensive Security Certified Expert 3 (OSCE³)
  • Offensive Security Web Expert (OSWE)
  • Offensive Security Exploit Developer (OSED)
  • Offensive Security Experienced Penetration Tester (OSEP)
• eCPPTv2

I have been recognized for the following security vulnerabilities:

• CVE-2025-27907: IBM WebSphere Application Server is vulnerable to server-side request forgery

You can see my activity in the following platforms:

• HackerOne
• BugCrowd
• HackTheBox
• PentesterLab