Offensive security, vulnerability research, and building tools that break (and fix) things. I dig into codebases, find what shouldn't be there, and write about it.
More writeups at 0x90.sh/forums/0day-blog.8/
Vulnerability Research ██████████████████████░░ 85%
Reverse Engineering ████████████████████░░░░ 80%
Web Application Security ██████████████████████░░ 85%
Anti-Cheat Engineering ████████████████░░░░░░░░ 65%
Tool Development ███████████████████░░░░░ 75%
CTF team organizing the SHC |
Solo ranked #1 Switzerland One man army |
0x90@swiss:~$ echo "Break it. Fix it. Write about it."



