Walkthrough and solution for the picoCTF challenge 'Flag Hunters', focusing on Python input injection and reverse engineering.

Walkthrough and solution for the picoCTF challenge 'Cookies', covering IDOR and cookie-based vulnerabilities.

Writeup for picoCTF 'SSTI1' — covering Server-Side Template Injection (SSTI) in web applications.

Compact walkthroughs and solutions for OverTheWire Natas levels 0–5.