Ctrl+Space CTF

ESA is pleased to announce that during the Security for Space Systems (3S) Conference, in collaboration with D-Orbit, the first European in-orbit Capture-the-Flag (CTF) challenge is organised. In this CTF, called Ctrl+Space CTF, participants will have the chance to engage with live security challenges executed directly aboard D-Orbit’s ION Satellite Carrier, orbiting Earth in real time.

The challenges will be realised  by the mhackeroni Team.

Ctrl+Space CTF is supported by the ESA Security Office and the ESA Security Cyber Centre of Excellence (SCCoE). 

Timeline

Online Qualifiers:

• 20 - 21 Sep 2025, 09:00 UTC
• 24-hour online, jeopardy-style competition

In-Orbit Finals

• 4 - 6 Nov 2025
• On-site, during Security for Space Systems (3S) conference (ESA ESTEC, The Netherlands)

Registration

Registration: TBA.