CDCTF 2026
Reasonable first CTF
- Starts
- Ends
- Runs for
- 12 hours
- Format
- Jeopardy (online)
- Rating weight
- 25.00 - Strong field
- Teams registered
- 6
Run by Crimson Defense, with prizes listed on CTFtime.
What the organisers say
Crimson Defense CTF 2026 will be held on Saturday, October 3rd from 10am to 10pm CDT! CDCTF is a virtual 12-hour Jeopardy-style Capture-the-Flag competition designed for collegiate-level players. All ability levels are welcome. This competition will not only provide satisfying challenges for seasoned players, but be a good introduction to CTFs for new ones!
Prep briefing
Nothing in the writeup archive matches this event, which usually means one of two things: it is a first edition, or its previous editions ran under a different name. Either way there is no honest category breakdown to give you, and inventing one from the title would be worse than saying so.
The generic answer still holds: the first-hour triage guide covers what to do with a challenge before you know what it is, and the workspace identifies most encodings and file types on the first paste.