~/jhanks/about

About

Jang JeongAhn
Jang JeongAhn / Jhanks
Offensive Security Researcher · Red Team

Hi, I’m Jang JeongAhn, also known as Jhanks — an offensive security researcher based in South Korea. I work on red team operations at ENKI WhiteHat, with web and mobile as my main targets, and play CTF with team D0kdo / Odin.

EXPERIENCE
2025.07 — PRESENT ENKI WhiteHatRedOps & Offensive Security Researcher
2025.01 — 2025.07 DB Inc.DB Insurance Security Engineer
2019.03 — 2025.01 Kookmin UniversityBachelor's degree
Vulnerability Disclosures & Rewards 06
2026.04 Bugcrowd Hall of Fame — AdidasAndroid Application
2026 CVE-2026-32711 — pydicom ↗Path traversal in FileSet / DICOMDIR
2025 CVE-2025-62364 — text-generation-webui ↗Arbitrary file read via symbolic link upload
2025 CVE-2025-49967 ↗Cross-Site Request Forgery (CSRF)
2025 CVE-2025-49332 ↗Cross-Site Request Forgery (CSRF)
2024 KVEKVE-2024-0318 · 0346 · 0347 · 0365 · 0366 · 0367 · 0384 · 0386 · 0387 · 0516 · 0518 · 0519
Projects 05
2026.04 — PRESENT NAS Vulnerability ResearchProject Leader
2026.01 — 2026.04 Locked Shields 2026 — Web TeamVulnerability research · LLM-Based SAST
2024.11 — PRESENT FuzzmapOffensive tooling project
2024.05 — 2024.09 ASAP — App Vulnerability Analysis Automation ToolDevelopment Lead · PM
2024.02 — 2024.06 AI Daily Diary ProjectTeam Leader · Security & Frontend Lead
Awards and Honors 07
2026.08 DEFCON 34 — Finalistteam D0kdo
2026.04 UMD CTF — Overall 3rd placeteam D0kdo
2026.03 Mobile Hacking Lab CTF — 2nd placeIndividual
2025.10 Line CTF — 3rd placeteam Odin
2025.08 Kaspersky CTF — 1st placeteam Odin
2024.12 2024 TS Security Vulnerability Hunt — 4th Awardteam typescript
2024.09 WhiteHat School 2nd — TOP 20Individual
Certifications 01
2025.07 OSCP / OSCP+Offensive Security Certified Professional — OffSec
FOCUS AREAS
Red TeamWeb ApplicationMobile (Android / iOS)CTFVulnerability Research