Live Tracker



Game Details
Competition Hours
Friday Aug 11: 9am-7pm PT
Saturday Aug 12: 10am-6pm PT
Open to the public 10am-6pm PT each day
Hack-A-Sat Talks – Aerospace Village Stage
Friday Aug 11: 11am – 12pm PT – WATCH HERE
Saturday Aug 12: 11am – 12 pm PT – WATCH HERE
Awards Ceremony/Winners Announcement – Aerospace Village Stage
Sunday Aug 13: 12pm – 1pm PT – WATCH HERE
Hack-A-Sat 4 Anthem
Finals Teams


Teams took these photos... from space
HAck-a-sat 4 videos
Game Updates
Explainer Videos
Space Tips
Hack-A-Sat is a Capture the Flag (CTF) competition designed to inspire the world’s top cybersecurity talent to develop the skills necessary to help reduce vulnerabilities and build more secure space systems.
In Hack-A-Sat 1, 2 and 3, the best of the best have been learning more about all the skills required to hack in space through physical flatsat hardware and digital twin simulation. But, this year, PRACTICE IS OVER, as Hack-A-Sat 4 presents the world’s first CTF competition IN SPACE. Five Finalist Teams compete on Moonlighter, an on-orbit satellite. Moonlighter is the world’s first and only hacking sandbox in space, designed specifically to advance the cybersecurity community and secure space for us all.