Paul Stokreef

Taxanehh

Hacker • Researcher • CTF Player

Terminal - Taxanehh

Writeups - Taxanehh

TUDCTF Writeups

TUDCTF 2025 - Nothing App
TUDCTF 2025 - Pizzano's Domi
TUDCTF 2025 - Yearn for the Signs

HTB Writeups

HTB - Bashed
HTB - Cronos
HTB - BountyHunter
HTB Web: baby website rick

webhacking.kr

Global ranking. I'm #10

Writeups

TUDCTF and HackTheBox writeups, plus my full webhacking.kr collection of solved challenges.

Pick a challenge on the left, or open the global ranking to see where I sit on the webhacking.kr scoreboard.

Played CTF's - Taxanehh

Played CTF's

CTF events I have played and my standings.

Event Format Year Standing Notes

Nationale Hackers Cup On-site 2026 Winner. Click the trophy to see it.

TU Delft CTF On-site 2025 14 / 101 Writeups published for Nothing App, Pizzano's Domi, and Yearn for the Signs.

Challenge The Cyber CTF On-site 2026 5 / 31 Team competition standing.

ZeroDayZoetermeer On-site 2026 2nd place Podium finish.

Hogescholen CTF On-site 2026 2nd / 1st place Recorded combined standing.

HackTheBox University CTF Online 2025 165 / 1014 Top 17% of all teams.

HeroCTF Online 2025 224 / 1950 Top 12% of all teams.

HackTheBox Cyber Apocalypse CTF: The Salt Crown Online 2026 52 / 6743 Top 1% of all teams.

Responsible Disclosures - Taxanehh

Responsible Disclosures

Coordinated vulnerability reports and disclosure notes.

Company 2025

Domino's Pizza

Education 2026

Hogeschool van Amsterdam / Universiteit van Amsterdam

Open source 2026

InvoicePlane/InvoicePlane

About - Taxanehh

About Me

Cybersecurity student with a background in Artificial Intelligence. Passionate about penetration testing, HackTheBox, and CTF competitions both online and in real life. I enjoy writing writeups to deepen my understanding and help others learn.