Sudoku Puzzle

CTF Challenge

5/8/2026 - 5/22/2026

Ridgebacknet website CTF
IIIEAOOIEIEEOOEEOIIOUAIEEOUUIUIUOUIEIEUEIOIIEEIEUIIEIOEEIEEEOOUUOIUEIEUAEEOOOIEOUIIEEAIIEEEOAE.

Solve the challenge. Submit the correct answer.
Submit your answer to [email protected]

The answers will be revealed on 5/8/26 during our LIVE weekly PODCAST 3pm ET!

Previous CTF Challenges
Talk to an Expert
[email protected]