picoCTF offers free cybersecurity challenges, tutorials, and competitions designed to help anyone learn and practice computer security skills online.
Practice and compete in free cybersecurity challenges
picoCTF is an online platform where you can learn about computer security through interactive challenges and real-world scenarios. Created by experts at Carnegie Mellon University, it uses a capture-the-flag (CTF) format to make learning about cybersecurity fun and accessible.
Whether you're brand new to security topics or looking to sharpen your skills, picoCTF provides educational resources, practice problems, and annual competitions open to everyone. You can work at your own pace, join events for prizes, and connect with a supportive community of learners and mentors.
The platform is perfect for students, teachers, or anyone interested in cybersecurity. With its mix of tutorials, practice tools, and live events, picoCTF helps you build practical skills and confidence in a friendly, game-like environment.
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