Name: Seonggwan Han
Description: Security Engineer · Pentester
Email: soneg4rizzle@gmail.com
Birth: daytoyouhappy
Who I am
I’m passionate about Offensive Security, Bug 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!
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)
Tech Stack
APPLICATION SECURITY
Web·Mobile Application Vulnerability Assessment
Penetration TestingPROGRAMMING LAUNGUAGE
Python, JavaUTILITIES (TOOLS)
Burp Suite, Zap, Caido
(S/DAST) Fortify, Appscan
Study
‘2025-09-03 ~ SaturnX Operators
‘2025-11-18 ~ Hacking Cats
CTF
‘2026 UofTCTF CTF 36위 (Team. TheWeb2Lab)
Project
(In-progress)
Bug Bounty
(In-progress)