picoCTF has joined CyLab Security Academy, Carnegie Mellon University's free cybersecurity learning platform. Existing picoCTF credentials still work.

Practice through Capture the Flag (CTF) challenges at your own pace, in your classroom, or live in a competition. No experience needed. Always free, and built by computer security experts at Carnegie …

CyLab Security Academy - Sign In play.picoctf.org is now CyLab Security Academy

Jun 10, 2026 · PicoCTF is hands-down the best free CTF platform for beginners. Created by Carnegie Mellon University's security experts, it's designed specifically to teach hacking fundamentals through …

Apr 14, 2026 · What Is picoCTF? picoCTF is a free cybersecurity competition created by Carnegie Mellon University's CyLab. CTF stands for Capture the Flag: every challenge hides a secret string …

This free computer security gamified education program offers original educational content built on a capture-the-flag framework created by CMU security and privacy experts.

Welcome to my comprehensive repository of picoCTF challenge solutions, featuring detailed writeups across cryptography, binary exploitation, reverse engineering, web exploitation, forensics, and …