- Sikt CTF -

Capture the flag


Cybersecurity Awareness Month



CTF Rules


  1. The flag format follows this regex pattern: /^SiktCTF{.*}$/.
  2. Here's an example of a valid flag: SiktCTF{th1s_i5_4_fl4g’+!-.@#$%?}. Any flag not in this format is considered invalid.
  3. Teams can have up to 5 members to qualify for prizes (refer to the prize details for more information).
  4. DDoS attacks are strictly forbidden.
  5. Brute-forcing any server challenge is prohibited unless explicitly allowed.
  6. Collaboration between different teams is not permitted.
  7. Hoarding flags is not allowed.
  8. The first flag is commented away on this page
  9. All decisions made by the SiktCTF admins in case of disputes are final.


General Rules


  1. Treat everyone with respect; harassment of any kind will not be tolerated. If you have any concerns, contact an admin immediately.
  2. Do not post flags in any channels.
  3. Sharing links to pirated software or tools is prohibited.
  4. Keep the content on SiktCTF communication platforms safe for work (SFW).
  5. Refrain from posting write-ups until the CTF event concludes.
  6. Do not hack the CTF infrastructure.
  7. Do not advertise other CTFs, Discord servers, or events without the approval of an organizer or admin.
  8. Violating any of these rules may result in message deletion or a ban from the Discord server and SiktCTF.
  9. The admins' decisions are final in all disputes
  10. Enjoy!


Provided by the Norwegian Cyber Security Centre for Research and Education (eduCSC)