Name: Seonggwan Han
Description: Security Engineer · Pentester
Email: soneg4rizzle@gmail.com
Birth: daytoyouhappy


Who I am

I’m passionate about Offensive SecurityBug Hunting, and Web Development—fields
that constantly challenge my curiosity and push me to grow.

Whether I’m uncovering vulnerabilities, crafting secure applications, or exploring the latest tech trends,
I thrive on the thrill of solving complex problems and staying ahead of the curve.

This blog is where I share my journey, insights, and lessons learned along the way.
If you’re as fascinated by the ever-evolving world of cybersecurity and web technologies as I am, you’re in the right place.

Happy Hacking!


Tech Stack

‘(Appsec) Web·Mobile Application Vulnerability Assessment
‘(Offsec) Penetration Testing
‘Utilizing source code analysis tools (SAST; Fortify / DAST; Appscan)
‘Programming Language : Python, Java


Certifications

‘2025.08.22 OSCP (Offensive Security Certified Professional)
‘2025.05.06 PNT (Pivoting and Tunneling)
‘2025.03.01 BHPT (Basic Host-based Penetration Testing)
‘2024.12.24 정보보안기사
‘2024.09.11 CPPG (Certified Privacy Protection General)
‘2023.11.15 정보처리기사
‘2023.07.07 SQLD (SQL Developer)


Study

‘2025-09-03 ~ SaturnX Operators
‘2025-11-18 ~ Hacking Cats


Project

(In-progress)


Bug Bounty

(In-progress)