CSCTF 2026
Rules
Key rules summary. Full and binding rules are at chronos-security.ro.
Teams
Team Formation
- Teams of 1–5. Each member registers individually on this platform.
- Team composition locks at competition start. No changes during the event.
- One account per person. Multiple accounts result in disqualification.
Fair Play
What Is Not Allowed
- Sharing flags, solutions, or significant hints with other teams.
- Publishing solutions while the competition is running.
- Attacking competition infrastructure or other teams.
- Denial-of-service attacks of any kind.
- Automated flag brute-forcing.
- Any form of cheating, collusion, or plagiarism.
Violations result in immediate disqualification. We run automated and manual checks. When in doubt, ask on Discord before acting.
Scoring
How Points Work
- Dynamic scoring: challenge value decreases as more teams solve it.
- First blood bonuses on select challenges.
- Ties broken by submission time.
- Using a hint reduces available points on that challenge for your team.
Prize Eligibility
Writeup Requirement
- Top 3 per track must submit writeups for the challenges they solved.
- Submission window: 24 hours after the competition closes.
- Winners are announced 48 hours after the competition closes.
- No podium result stands until its writeup is verified.