A security playground for learning, testing, and competing. Solve CTF challenges, watch live attacks, and practice on vulnerable apps.
Web, Crypto, Forensics, OSINT, and Misc challenges ranging from 50 to 300 points. Compete on the leaderboard!
Watch real attacks on our SSH and web honeypots in real-time. See attack origins on the world map.
Practice on intentionally vulnerable applications. Environments reset every hour.
Found an unintended bug? Report to security@syssecure.pl and earn a spot in the Hall of Fame!
Found a bug? Have feedback? Get in touch.