Contest Information

Team Composition

• 4 members per team, participants must be students from universities nationwide, aged between 18 and 23, and hold Vietnamese nationality.
• Ensures fairness in team composition and eligibility, preventing any large discrepancies in skills or experience.
• Violation will lead to disqualification from the competition.

Eligibility Criteria

• Only for students aged 18-23, currently enrolled in Vietnamese universities. There will be a verification step by Evvolabs to confirm the legitimacy of the students
• Ensures fairness by limiting participation to those in the eligible age and student category.
• Ineligible participants will be disqualified.

Registration & Competition Method

• Register via the official competition website (EvvoLabs). What information is required for registration?
  
  1. Team Information:
     
     • Team name
     • Leader name
     • Leader's phone contact number
  2. Member Information (team up to 4 members):
     
     • Full Name
     • School Name
     • Student ID
     • Student Email
     • Nickname (display name) for each member
• Qualifier Round: Online competition, lasting 24 hours on August 23, 2026. Participants will solve 15 challenges across 5 categories. (web security, cryptography, reverse engineering, pwnable, misc)
• Final Round: Onsite competition in Da Nang on September 20, 2026. Participants will solve 15 advanced challenges with real-world attack scenarios in 8 hours. (Register through the official competition website.)
• Ensures fairness in registration and competition, providing an opportunity to test real-world skills across two rounds.
• Failure to properly register will lead to disqualification. Failure to participate or violate rules in the qualifier will result in ineligibility for the final round.

Communication Rules

Participants must adhere to the following principles:

• Do not use hostile, insulting, threatening language, or harass others.
• Do not post, share, or distribute content that violates copyright, ethics, or laws.
• Do not upload or spread materials containing malware or harmful software.
• Do not spam, post inappropriate advertisements, or disrupt the competition community.
• Do not discuss political or religious issues on the CyberJutsu platform.
• Ensures a positive and fair competition environment, preventing negative behavior that could impact fairness and professionalism in the event.
• Violations may result in warnings, disqualification, or banning from the future event.

Reporting Rules

• Participants must report issues/flags according to the established process.
• Report any cheating or dishonest behavior immediately.
• What is the process and method for reporting bugs/flags/cheating violations?
• Ensures transparency and fairness in addressing issues and violations during the competition.
• Failure to report properly may lead to point deductions or disqualification.

Competition Rules

• Teams must complete challenges within the designated time.
• Using cheating software, hacking, or exploiting system vulnerabilities is prohibited.
• Sabotaging the competition system is prohibited, including but not limited to: launching denial-of-service (DDoS) attacks, manipulating data on the competition platform, hacking into the competition's supporting systems, or disrupting the scoring system's functionality.

• Ensures that all teams compete fairly and without cheating, while protecting the competition system from destructive behaviors.
• Violations may result in disqualification from the competition, loss of all points, and possibly being banned from future events.

Scoring Method & Prize Structure

1. Scoring method:

• Points for each challenge:
  • The points for each challenge will be evaluated based on its difficulty and completion level. Challenges with higher difficulty will earn more points. When a team successfully solves a challenge and captures the "flag," they will earn points corresponding to the difficulty of that challenge.
  • The points for each challenge will be announced in detail during each round of the competition.

2. How to determine the winning team:

• Winning conditions:
  • The winning team of the competition will be the one that accumulates the highest score by the end of the competition. If multiple teams have the same score, tiebreaker criteria (if any) will be applied to determine the winner.
• Secondary criteria (if any):
  • Time to Complete: In case of a tie in points, the team that completes the challenges in the shortest total time will be ranked higher.

3. Select the team for the final:

• Finalist Selection:
  • Based on the ranking results, the top 25 teams with the highest scores will be selected for the final round. Teams will be ranked from highest to lowest based on the accumulated points throughout the competition.

• Ensures fairness and transparency in scoring and prize allocation.
• Violations may lead to losing prizes or being removed from the leaderboard.

Prohibited Actions

1. Using cheating software, hacking, or exploiting system vulnerabilities.
2. Harassing or disrupting other participants, including behaviors such as insulting, bullying, or intentionally disturbing the competition.
3. Sabotaging the competition system, including actions such as launching denial-of-service (DDoS) attacks, modifying data on the competition platform, or interfering with the scoring system.

• Ensures fairness and professionalism in the competition. Negative actions that affect other participants and the fairness of the event are prohibited.
• Violations may result in disqualification, point deductions, and possibly a ban from future events.