HanTul

Email GitHub Blog

SeeCure Lab

2025.09 - Present

KUality

2023 - Present

CVE

CVE-2025-56526 2025

XSS Kotaemon

Report

CVE-2025-56527 2025

Sensitive Data Exposure Kotaemon

Report

KUality Web Hacking Study

2023

Python HTML

KnockOn Bootcamp Web

2024

PHP CSS

KO-Map

2024

HTML CSS JavaScript Python

Secondhand Marketplace

2025

Python HTML CSS JavaScript

LLM-Integrated Application Bug Hunting

2025

2025

🥇

2023 - Present

2025

2025.03 - 2025.09

2024

2024.11 - 2025.02

2024.10.22 - 2024.11.03

2024.10.08

AWS Certified AI Practitioner

2025.12

2025

KCTF Jr. Repo

2024

My Repo KCTF Jr. Repo KCTF Repo

Email bluevenus02@gmail.com

GitHub github.com/HanTul

Blog hantul.tistory.com