Privacy Notice
Version 1.0 — September 6, 2026
This Privacy Notice describes how personal data collected in connection with the MAX Authorization Challenge is processed.
1. Data Controller
The data controller is the organizer of the MAX Authorization Challenge.
For privacy-related requests or questions concerning personal data, participants may use the contact information published on the official challenge website.
2. Data Collected
The challenge collects only the data reasonably necessary to enable:
- registration and authentication;
- participation in the challenge;
- submission management;
- leaderboard and results management;
- abuse prevention;
- operational security of the platform.
The data processed may include:
- username;
- email address;
- IP address;
- technical access data and logs generated by the platform;
- submissions;
- scores;
- challenge results;
- any information voluntarily provided by the participant.
Personal data that is not necessary for the operation of the challenge is not intentionally collected.
3. Purposes of Processing
Personal data is processed exclusively for purposes related to the management and operation of the challenge, including:
- creating and managing accounts;
- verifying account ownership through email;
- recording submissions;
- assigning scores;
- managing the leaderboard;
- verifying results;
- preventing abusive behavior;
- protecting the security and technical integrity of the service;
- handling any disputes concerning challenge results.
4. Legal Basis for Processing
Personal data is processed to the extent necessary to enable participation in the challenge and to pursue the organizer’s legitimate interests in the management, security, integrity, and proper administration of the contest.
Where processing relies on the participant’s consent, that consent may be withdrawn in accordance with the applicable procedures.
5. Publication of Usernames and Results
Usernames, scores, and challenge results may be displayed publicly on leaderboards and challenge-related pages.
Real names, affiliations, write-ups, or additional identifying information will not be published by the organizer unless:
- the participant has given consent;
- the participant has expressly requested publication;
- or the participant has already voluntarily made that information public.
6. Technical Service Providers
External technical service providers may be used to operate the challenge, including services necessary for:
- hosting;
- operation of the CTFd platform;
- email delivery;
- security;
- network infrastructure;
- operation of the remote verifier.
The remote verifier is currently hosted using Render, an external cloud service provider.
Technical service providers may process personal data and technical information only to the extent necessary to provide their respective services. This may include information such as IP addresses, connection data, request metadata, and network or access logs generated in the ordinary operation and security of the service.
Such processing is subject to the provider’s own applicable privacy and data-processing terms.
7. International Data Transfers
Some technical service providers may process data outside the European Economic Area.
Where applicable, such processing must take place subject to the safeguards required by applicable data protection law.
8. Data Retention
Personal data will be retained for as long as reasonably necessary to:
- operate the challenge;
- verify submissions and results;
- handle any disputes;
- prevent abuse;
- preserve essential contest statistics;
- comply with any applicable obligations.
When personal data is no longer necessary for these purposes, it may be deleted, anonymized, or retained only in aggregated form.
9. Participants’ Rights
Subject to applicable data protection law, participants may request:
- access to their personal data;
- correction of inaccurate data;
- deletion of their personal data;
- restriction of processing;
- objection to processing;
- data portability, where applicable.
Requests may be submitted using the contact information published on the official challenge website.
10. Complaints
Participants have the right to lodge a complaint with the competent data protection authority if they believe that their personal data is being processed in violation of applicable data protection law.
11. Cookies and Technical Tools
The platform may use cookies or other technical tools that are strictly necessary for authentication, security, and operation of the service.
Any additional analytics, tracking, or profiling technologies will be described separately if they are actually used.
12. Commercial Profiling
Personal data collected in connection with the challenge is not used by the organizer for commercial profiling.
13. Updates to This Notice
This Privacy Notice may be updated when necessary to reflect technical, operational, or regulatory changes.
The version published on CTFd constitutes the current version of the Privacy Notice.