This weekend, we ran the qualifier event for this year’s DEF CON CTF. 1828 teams registered to play in our game, and we want to thank all of you for registering. We hope you all had an amazing weekend solving the challenges we created for you, even if only 535 teams actually solved something!
Keep up with the latest news.
DEF CON 31 CTF Qualifier Results
2023 Defcon-31 Qualifier Results May 28, 2023
DEF CON 31 CTF Qualifier Registration
2023 Defcon-31 Qualifier May 09, 2023
Registration for the DEF CON 31 CTF Qualifier is now open!
DEF CON 30 CTF Final Results
2022 Defcon-30 Final Results August 14, 2022
This past weekend, Nautilus Institute ran the DEF CON CTF final event at DEF CON 30 in Las Vegas in conjunction with our friends over at LiveCTF. At the end of three straight days of hacking, we crowned a winner: the Maple Mallard Magistrates. Congratulations to them and the other teams that qualified for and played in our finals! We hope to see all of you back again next year.
DEF CON 30 CTF Qualifier Results
2022 Defcon-30 Qualifier Results June 04, 2022
This past weekend, we ran the qualifier event for this year’s DEF CON CTF. We want to extend a big, heartfelt thanks to the 1282 teams that registered to play in our game. We hope you all had a wonderful weekend solving the problems we set for you, even if only 470 teams actually solved something!
DEF CON 30 CTF Qualifier Registration
2022 Defcon-30 Qualifier April 01, 2022
Registration for the DEF CON 30 CTF Qualifier is now open! Please see that page for more details.