Privacy Policy

Last updated: September 24, 2026

1. Introduction

D3I (hereinafter: "Data Controller", "we", "us") is committed to protecting personal data. This Privacy Policy describes how we collect, use, store, and protect your personal data when using the d3i.hu website (hereinafter: "Website").

Data processing is carried out in accordance with the European Union General Data Protection Regulation (GDPR) and applicable Hungarian legislation.

2. Data Controller Information

  • Name: D3I
  • Address: Budapest, Hungary
  • Email: info@d3i.hu

3. Data We Collect

We may collect the following personal data:

3.1 Contact Form

  • Name
  • Email address
  • Phone number (optional)
  • Company name (optional)
  • Message content

3.2 Newsletter Subscription

  • Name (optional)
  • Email address

3.3 Automatically Collected Data

  • IP address
  • Browser type and version
  • Operating system
  • Visit time and duration
  • Pages visited

4. Purpose and Legal Basis of Processing

Purpose Legal Basis Retention Period
Contact, responding to messages Legitimate interest (GDPR Art. 6(1)(f)) 2 years
Sending newsletters Consent (GDPR Art. 6(1)(a)) Until unsubscription
Website operation, security Legitimate interest (GDPR Art. 6(1)(f)) 30 days
Statistics, analytics Consent (GDPR Art. 6(1)(a)) 26 months

5. Your Rights

Under the GDPR, you have the right to:

  • Right of access: Request information about processed data
  • Right to rectification: Request correction of inaccurate data
  • Right to erasure: Request deletion of your data ("right to be forgotten")
  • Right to restriction: Request restriction of processing
  • Right to data portability: Request your data in machine-readable format
  • Right to object: Object to data processing
  • Right to withdraw consent: Withdraw your consent at any time

To exercise your rights, please contact us at info@d3i.hu.

6. Cookies

Our website uses cookies to improve user experience. For detailed information, please read our Cookie Policy.

7. Data Security

We implement appropriate technical and organizational measures to protect your personal data, including:

  • SSL/TLS encryption
  • Firewall protection
  • Access restrictions
  • Regular security backups

8. Data Transfers

We do not sell or rent your personal data to third parties. We only transfer your data in the following cases:

  • Hosting provider (server operation)
  • Email service provider (sending messages)
  • Authorities (when required by law)

9. Filing a Complaint

If you believe our data processing violates your rights, you may file a complaint with the National Authority for Data Protection and Freedom of Information (NAIH):

  • Address: 1055 Budapest, Falk Miksa utca 9-11.
  • Phone: +36 1 391 1400
  • Email: ugyfelszolgalat@naih.hu
  • Website: naih.hu

10. Changes

We reserve the right to modify this Privacy Policy. We will inform you of changes through the Website.

11. Contact

For privacy-related questions, please contact us: