🚫 Closed till DEF CON 34, see y'all next year! 🚫
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DEF CON 33
Project Obsidian CTF Winners
The 2025 competition saw unprecedented participation with 393 registered users and 229 teams competing across multiple platforms and challenges.
🥇 1st Place
ChampionsGhidraGoons
39,057 points
Individual Scores:
almanac-problem12,500 pts
BorrowedMilk9,800 pts
null8,900 pts
So1ArF1Ar38,857 pts
🥈 2nd Place
Runner-up0x325
30,957 points
Individual Scores:
0x325-owl8,500 pts
mando7,800 pts
Rooster7,500 pts
Samba7,157 pts
🥉 3rd Place
ThirdSISC
30,952 points
Individual Scores:
Go58,200 pts
hwPark7,800 pts
sh3rlock7,600 pts
shw7,352 pts
Competition Statistics
CTFd Platform
User Registration
Friday (Aug 8, 2025)
183 users
Saturday (Aug 9, 2025)
210 users
Team Registration
Friday (Aug 8, 2025)
110 teams
Saturday (Aug 9, 2025)
119 teams
Team Size Distribution
1-person teams:131 teams
2-person teams:37 teams
3-person teams:23 teams
4-person teams:19 teams
Final Competition Results
Top 15 Teams
01. GhidraGoons39,057
02. 0x32530,957
03. SISC30,952
04. Ctrl+Alt+DEFEAT22,117
05. Couch Pounders17,357
06. thisisapen16,587
07. No wifi at the armory15,802
08. P0shPh1sh15,157
09. WeAre18gi0n14,437
10. KirklandSignaturePwnys14,357
11. T9711,932
12. ntwk_defeders10,507
13. alohaX10,357
14. G3tt1nPhr34ky10,205
15. inSIRT Name Here9,007
Competition Highlights
Record Participation
DEF CON 33 saw unprecedented participation with 393 registered users and 229 teams, demonstrating the growing interest in cybersecurity competitions.
Team Success Patterns
4-person teams dominated the top rankings, with 6 out of the Top 10 teams being 4-person teams, highlighting the importance of collaboration.
Platform Diversity
The competition utilized multiple platforms to provide diverse learning experiences and accommodate different skill sets.
Multi-Platform Approach
CTFd, Wazuh, and Keycloak
Scalable Infrastructure
Kubernetes-based deployment for reliability