Sat, 12 April 2025, 00:00 UTC — Mon, 14 April 2025, 00:00 UTC 
On-line
A DEF CON CTF Qualifier event.
Format: Jeopardy 
Official URL: https://nautilus.institute/
Future weight: to be determined
Event organizers
On-line, open-registration.
Finals will be held August 2025 at DEF CON in Las Vegas.
19 teams total
| Team |
|---|
| €RR0R |
| fish3r |
| BASQA |
| Blind_Virus |
| buf!3rBr34CH3r$ |
| CASCO |
| cR4.sh |
| Hodge Podge |
| SpeedBambooFox |
| RaptX |
| Integrated Hawkers |
| kks |
| Luci@07 |
| MaaSec |
| Nights are long sometimes |
| Qu4nt1x |
| SU |
| ToNotDo |
| vastzero |
