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 ββββββββββββββββββββββββ 85%
Reverse Engineering ββββββββββββββββββββββββ 80%
Web Application Security ββββββββββββββββββββββββ 85%
Anti-Cheat Engineering ββββββββββββββββββββββββ 65%
Tool Development ββββββββββββββββββββββββ 75%
CTF team organizing the SHC |
Solo ranked #1 Switzerland One man army |
0x90@swiss:~$ echo "Break it. Fix it. Write about it."



