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Hi, I'm Kin :)

HKer, InfoSec enthusiast, passionate about GNU/Linux, Web security, and open source.

Find me if you want someone to pentest your web applications, or just want to chat about tech!

CTF Team ICEDTEA HeapUnderFlow
Challenge Creator NHNC CTF THJCC CTF
Hacking TryHackMe HackTheBox
Hunting Zero-Day

GitHub Twitter Youtube


Timeline

ICEDTEA CTF (Taiwanese based)

2024 - Present

CTF team member, play with awesome teammates!

HeapUnderFlow CTF (Hong Kong based)

2025 - Present

CTF team member, play with awesome teammates!

No Hack No CTF

Challenge Creator & Web Designer

gitgit & Crackme challenges creator, website designer.

TryHackMe Player (Currently Top 4%)

Active Player

Ranked in the top 4% of TryHackMe players. (Keep growing)

Zero-Day Hunting

Randomly hunting zero-day vulnerabilities

I do it for fun and learning purposes, no public disclosures yet.


Stacks

The Stacks for my development, hacking, and daily use. Cannot list all here, just the main ones :)