Privacy Policy

Last updated: August 2026

This Privacy Policy explains how MOODLR DESENVOLVIMENTO DIGITAL LTDA (Moodlr Dev Hub), the company that publishes Trenindex (“Trenindex”, “we”, “us”, “our”), collects, uses, shares, and protects information when you visit trenindex.com (the “Site”). We are committed to protecting your privacy and being transparent about our data practices, wherever in the world you access our content on history, science, nature, and the universe.

Who We Are

Trenindex is published by MOODLR DESENVOLVIMENTO DIGITAL LTDA (Moodlr Dev Hub), a company registered in Brazil under CNPJ 22.136.919/0001-40, headquartered at Calixto Machado, 21, Pires Façanha — Eusébio, CE, Brazil — CEP 61775-060. We act as the data controller for the personal information described in this policy. For any privacy-related question or request, contact us at [email protected].

Information We Collect

  • Information you provide directly — such as your name and email address when you contact us or subscribe to our newsletter.
  • Automatically collected information — IP address, browser and device type, operating system, pages viewed, referring URLs, and approximate location, collected via cookies and similar technologies.
  • Cookies and tracking technologies — see our Cookie Policy for full detail on the categories of cookies we use and how to control them.

How We Use Your Information

  • To operate, maintain, and improve the Site and its content
  • To respond to your inquiries and communicate with you
  • To send newsletters or updates you have subscribed to
  • To analyze readership trends across our History, Science, Nature, and Universe sections
  • To display advertising, including through our advertising partners
  • To comply with legal obligations and to enforce our Terms of Use

Cookies and Advertising

We use cookies and similar technologies for essential site functions, preferences, analytics, and advertising, as described in our Cookie Policy. Some cookies are placed by our advertising partners and other third-party service providers to deliver and measure relevant advertising. Where applicable law treats this kind of data sharing as a “sale” or “share” of personal information, we honor opt-out requests as described in the Your Rights section below.

How We Share Information

We do not sell your personal information for direct monetary compensation. We may share information with:

  • Service providers who help us operate the Site, such as hosting, email delivery, and analytics providers
  • Our advertising partners, for the purposes described above
  • Authorities or regulators, when required by law or to protect our rights, our users, or the public
  • A successor entity, in the event of a merger, acquisition, restructuring, or sale of assets

International Data Transfers

Trenindex is operated by a company based in Brazil and may work with service providers located in other countries, including the United States and countries within the European Economic Area. Where we transfer personal data internationally, we take reasonable steps to ensure it receives an adequate level of protection, including through standard contractual clauses or equivalent safeguards where required by law.

Data Retention

We retain personal information only for as long as necessary to fulfill the purposes described in this policy, comply with our legal obligations, resolve disputes, and enforce our agreements.

Children’s Privacy

Trenindex is a general-audience website about history, science, nature, and the universe. It is not directed at children under 13, and we do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us so we can remove it.

Your Rights

If You Are in the EU, EEA, UK, or Switzerland (GDPR)

You have the right to access, correct, delete, restrict, or port your personal data, to object to certain processing (including direct marketing), and to withdraw consent at any time where processing is based on consent. You also have the right to lodge a complaint with your local data protection supervisory authority.

If You Are a California Resident (CCPA/CPRA)

You have the right to know what personal information we collect, to request deletion or correction of your information, to opt out of the sale or sharing of personal information, and to be free from discrimination for exercising these rights. To exercise these rights, contact us at [email protected].

Brazil (LGPD)

As the controller, MOODLR DESENVOLVIMENTO DIGITAL LTDA complies with Brazil’s Lei Geral de Proteção de Dados (LGPD). You have the right to confirm the existence of processing, and to access, correct, anonymize, delete, or port your data, to obtain information about with whom we share it, and to lodge a complaint with the Autoridade Nacional de Proteção de Dados (ANPD).

To exercise any of the rights listed above, regardless of where you live, email us at [email protected]. We may need to verify your identity before fulfilling your request.

Data Security

We use reasonable technical and organizational measures designed to protect your information against unauthorized access, loss, misuse, or alteration. However, no method of transmission or storage is 100% secure, and we cannot guarantee absolute security.

Third-Party Links

Our Site may contain links to third-party websites. We are not responsible for the privacy practices or content of those sites, and we encourage you to review the privacy policy of any site you visit.

Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. The “Last updated” date at the top of this page indicates when it was last revised.

Contact Us

If you have any questions about this Privacy Policy or how we handle your personal information, please contact us at [email protected] or by mail at Calixto Machado, 21, Pires Façanha — Eusébio, CE, Brazil — CEP 61775-060.