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Instead, they consist of a set of computer security puzzles (or challenges) involving reverse-engineering, memory corruption, cryptography, web technologies, and more. When players solve them they get a "flag", a secret string which can be exchanged for points.
Join or host public or private CTF events with diverse and scalable challenges across web, crypto, reversing, forensics, and more. Experience the best CTF platform with live scoreboard, content diversity, and industry standard quality.
Hacker101 CTF is a game that lets you practice your hacking skills with various challenges. It is a free educational site for hackers, run by HackerOne, a platform for responsible disclosure.
Learn Cybersecurity. The most beginner-friendly way to get into hacking. Challenges. Test your skills by hacking your way through hundreds of challenges. Community. Don't learn alone — join the welcoming CTFlearn community and learn cybersecurity with new friends. Create a free account. Username. Email Address. New Password. Confirm Password.
- Insomni’hack (CTF Weight 100) This Ethical Hacking contest final is played at the conference and this conference takes place in Geneva, Switzerland. Organizers will cover the hotel and the tickets for the event for the top 3 teams.
- 0CTF/TCTF (CTF Weight 99.55) This contest is organized by the Shanghai Jiao Tong University team 0ops and Tencent eee. The format of the game is jeopardy style and open for every team in the world.
- GoogleCTF (CTF Weight 96.34) As Google organizes various geeky contests over a year, it also organizes the world’s best cyber hacking competition GoogleCTF.
- PlaidCTF (CTF Weight 93.15) This contest is organized by Carnegie Mellon University’s competitive hacking team, Plaid Parliament of Pwning also known as PPP.
Join the Google CTF competition and test your cyber skills in various challenges. Register now and get ready to unleash your inner keyboard warrior in a 50-hour hacking marathon.
Prove your cybersecurity skills on the official Hack The Box Capture The Flag (CTF) Platform! Play solo or as a team. Jeopardy-style challenges to pwn machines.
