The final event of Ctrl+Space CTF, the first European in-orbit Capture the Flag. The competition is a collaboration between the European Space Agency (ESA), D-Orbit, and the mhackeroni team.

This final round will take place on site at ESA ESTEC (Netherlands) during the ESA Security for Space Systems (3S) Conference, from 4 to 6 November 2025.

Finalists will compete in space-themed challenges developed by mhackeroni, including:
- On-ground challenges
- In-orbit challenges executed on D-Orbit’s ION Satellite Carrier, orbiting Earth in real time
- King of the Hill

The event is supported by the ESA Security Office and the ESA Security Cyber Centre of Excellence (SCCoE).

Join the discord server: https://discord.gg/pkcCP34GPE