picoCTF is for everyone
picoCTF gamifies learning hacking with capture-the-flag puzzles created by trusted computer security and privacy experts at Carnegie Mellon University.
Through picoCTF, learners can:
Learn
Gain knowledge about introductory through advanced level cybersecurity principles in our noncompetitive features the picoGym and the picoPrimer.
Practice
Build your CTF skills, help yourself advance your personal best score, and prepare for the big show using our mini Competitions to practice.
Compete
Join the world’s largest free hacking competition where you can compete for cash prizes, specialty awards, and a chance to visit Carnegie Mellon University.
Visualize
See yourself in a career in cybersecurity. Cybersecurity skills are in high demand in the workforce and the need grows as computers continue to be an integral part of everyday life.
Through picoCTF, teachers can:
Facilitate
Monitor student or group progress when using the Classroom feature. Get real-time analytics on your team’s progress including the timestamp of the last challenge solved.
Play
Don’t be afraid to join in the fun and play at your own pace to test your cybersecurity knowledge or learn a new skill. The cybersecurity topics in picoCTF include introductory level concepts progressing to mastery level.
Introducing the picoGym
picoGym is a noncompetitive practice space where you can explore and solve challenges from previously released picoCTF competitions, find fresh never before revealed challenges, and build a knowledge base of cybersecurity skills in a safe environment.
Whether you are a cybersecurity professional, competitive hacker or new to CTFs you will find interesting challenges in the picoGym that you can solve at your own pace. Team picoCTF will regularly update this challenge repository so visit the picoGym often.
Recent Event
picoCTF Mini by CMU-Africa
CMU-Africa staff and students has designed a special picoCTF Mini for learners of all levels. This short, fun challenge set is open to everyone!
No prior experience is required—just bring your curiosity and willingness to try something new. Solve as many challenges as you like, learn at your own pace, and enjoy the experience!
Timeline
Sign up for a picoCTF.org account at anytime.
- Sept 15 to Oct 13, 2025 - Registration opens
- Oct 1, 2025 12:00 AM EDT - Mini begins
- Oct 15, 2025 8:00 PM EDT - Mini ends
- Now - Replay Challenges
Eligibility
All are welcome. All are encouraged. Jump in and have fun with picoCTF!.
picoCTF would like to thank our sponsors for providing funds for continued development.