No colluding between teams with independent accounts. Sharing of keys or providing revealing hints to other teams is cheating, don’t do it.
No attacking the competition infrastructure. If bugs or vulns are found, please alert the competition organizers immediately.
Absolutely no sabotaging of other competing teams, or in any way hindering their independent progress.
No brute forcing of challenge flag/keys against the scoring site.
DoSing the CTF platform or any of the challenges is forbidden.
By participating in the contest, you agree to release Facebook and its employees, and the hosting organization (the "Event Organizers") from any and all liability, claims or actions of any kind whatsoever for injuries, damages or losses to persons and property which may be sustained in connection with the contest. You acknowledge and agree that Facebook, the Event Organizers, et al are not responsible for technical, hardware or software failures, or other errors or problems which may occur in connection with the contest.
If you have any questions about what is or is not allowed, please ask an organizer.