Test your skills on cybersecurity challenges, enhance your knowledge, have fun!
Challenge Closed — Reduced Version Available for Internship Applicants
bozidar. Finding it is not required for the internship. Show us your journey.
All 3 tickets have been awarded!
Winners:
The main challenge is closed, but a reduced version is still available for internship applicants. Apply for a paid internship at BeyondMachines running from June to September 2026.
How to participate:
bozidar's password — finding it is not required, getting as far as you can is what countsRequirements:
No longer available — the main challenge has concluded.
See the Wall of Fame below for everyone who cracked it.
These participants successfully cracked ByteBreach 2026.1:
To submit your solution, post it in our submission form with:
bozidar
December 15, 2025 – January 2, 2026
A token-hunting challenge spanning OSINT, cryptography, and web security - with a one-time pad twist.
February 5 – February 26, 2025
The first challenge of 2025 with exciting solutions and great community engagement!
2024
Our inaugural cybersecurity challenge featuring amazing solutions and enthusiastic participation!