Welcome, hackers of all ages.
Thank you all for pushing hard. GREAT JOB and HACK THE PLANET!!!!!
QUALS ARE OVER, CONGRATS PPP!
Players, as always it was an honor to play with you.
SCOREBOARD.OOO
info | discord |
archive | github
Who are we?
We are the Order of the Overflow. We are the current host of DEF CON CTF (Quals and Finals). Read about us and our philosophy here or reach us at team@oooverflow.io.
Follow @oooverflow on Twitter for updates!
DEF CON CTFs
- DEF CON CTF 2021 Quals –> May 1st UTC + prequals
- DEF CON CTF 2020 Finals
- DEF CON CTF 2020 Quals
- DEF CON CTF 2019 Finals
- DEF CON CTF 2019 Quals
- DEF CON CTF 2018 Finals
- DEF CON CTF 2018 Quals
Public Sources
Archive
We launched a playable archive of our past challenges: archive.ooo (info)
We owe thanks to many people -- some are listed here