cz chriscz // bug_hunter
Home Work Fitness / Life Web App API Security Cloud CTFs About Contact
chriscz@web:~$ ls ./ctfs
WriteupsAbout →
$ ls ./ctfs/

CTFs

CTF challenge writeups and walkthroughs.

CTF challenge writeups and walkthroughs from events like NahamCon.

medium May 27, 2025

Advanced Screening

This challenge was host from The Nahamcon 2025 CTF was easy difficulty Challenge we need to obtain a flag to complete this challenge. Landing Page Notice we can sign up for an email doesn’t need to be just something to t

#ctfs#ctf
cz chriscz

Main place about my writeups as a hacker

Research
Work Fitness / life Web app pentesting API security Cloud pentesting CTFs
Links
GitHub LinkedIn HackerOne
Legal
About Contact security.txt

© 2026 chriscz — responsible disclosure only