Please provide your preferred username. While we may adjust it if necessary, we will do our best to accommodate your choice. As many participants may submit similar usernames, there is a possibility that your preferred username may already be taken or closely resemble another participant’s username.

Please ensure that you fill in this information accurately and in accordance with your official identification documents. This is extremely important for our competition verification and continuation process. As the core message of this competition is ethical hacking, all activities conducted throughout the program must comply with applicable laws, regulations, and legal standards in the Republic of Indonesia.

Enter your 16-digit Indonesian NIK.

Please note that this registration only grants access to the Mini Games program, an organic selection process for our main event, “Zero Day”, conducted over four weeks with different themes each week. Participants who successfully complete the Mini Games stages will have the opportunity to be invited to the main event, which consists of the three clusters outlined in this document. Official invitations will be sent during the final week (Week 4) of the Mini Games competition. For more information, please visit the official event landing page: https://events.dgs.id/zero-day-2026