Competition Rules

Official guidelines for CSCTF 2025. Please read carefully before participating.

Quick Reference

5
Max Team Size
48h
Duration
FREE
Entry Cost
3
Categories

1. Eligibility & Registration

  • • Open to participants worldwide, minimum age 16
  • • Registration required by 11/7/2025
  • • Valid email address required for account creation
  • • All skill levels welcome - no prior CTF experience needed

2. Team Formation

  • • Teams of 1-5 members maximum
  • • Solo participation is allowed and encouraged
  • • Team changes permitted until registration closes
  • • All team members must register individually

Competition Categories

Juniors
Under 18 by event date
Seniors
Over 18 by event date
Fighters
For all - biggest prizes

3. Competition Format

  • • Jeopardy-style CTF with multiple challenge categories
  • • Dynamic scoring system with decreasing points over time
  • • Flag format: CSCTF{...}
  • • Submissions are case-sensitive and must match exactly
  • • Tiebreaker determined by submission time

Challenge Categories

Web SecurityCryptographyReverse EngineeringForensicsOSINTMiscellaneous

4. Code of Conduct

Prohibited Actions

  • • Attacking competition infrastructure or other participants
  • • Sharing flags, solutions, or hints with other teams
  • • Using automated tools against the platform
  • • Creating multiple accounts or teams
  • • Harassment or inappropriate behavior

Encouraged Practices

  • • Collaboration within your team
  • • Asking organizers for clarifications
  • • Using publicly available tools and resources
  • • Respectful communication in Discord
  • • Learning and helping others learn

5. Disqualification

Teams may be disqualified for rule violations, unsportsmanlike conduct, or attempting to compromise competition integrity. All decisions are final and made at organizer discretion.

Violations include: cheating, infrastructure attacks, harassment, or providing false information.

Ready to Compete?

Register now and join the CSCTF 2025 community!