It’s time for an update about how to qualify for DEF CON CTF 2025 Finals.

You can find up-to-date qualifying information at https://nautilus.institute/dc2025/ .

Qualified So Far

Four contests have qualified teams so far:

  1. DEF CON CTF 2024 Finals: Maple Mallard Magistrates
  2. HITCON CTF 2024: Friendly Maltese Citizens
  3. hxp 38C3 CTF: kalmarunionen
  4. 0ctf: r3kapig

Plaid CTF

PlaidCTF, held April 4 21:00 UTC - April 6 21:00 UTC will qualify a team for DEF CON CTF 2025 finals.

Qualifiers

Nautilus Institute will be hosting qualifiers for DEF CON Capture the Flag starting at midnight UTC at the start of April 12, 2025, and ending 48 hours later at midnight UTC at the start of April 14, 2025.

This contest will qualify the remainder of teams we bring to DEF CON.

Registration will open closer to the contest.

epoch human
game start 1744416000 April 12, 2025 at Midnight UTC
game end 1744588800 April 14, 2025 at Midnight UTC
Vito
Vito

Vito is a world-recognized CTF thought leader with over ten succesful CTF games run, speeches about CTF on multiple continents, and a pretty good showing at the 35C3 Junior CTF.