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    Legal notice

    Last updated: 10 October 2026

    This English translation is provided for convenience only. The French version prevails.

    Publisher

    The heurisme.fr website is published by:

    HEURISME, a French single-member limited liability company (EURL) with a share capital of 1,000 euros

    Publication director: Cyril FERAUDET, managing director (gérant).

    Hosting

    The website is hosted by Amazon Web Services EMEA SARL, 38 avenue John F. Kennedy, L-1855 Luxembourg, Luxembourg Trade and Companies Register B186284. Phone: +352 2789 0057. Website: https://aws.amazon.com/

    Data is stored in the AWS Europe (Paris) region, in France.

    Intellectual property

    All content on the website (texts, logos, graphics, images) is the property of HEURISME unless stated otherwise. Any reproduction, representation or adaptation, in whole or in part, without prior written permission is prohibited.

    Third-party trademarks and logos mentioned on the website belong to their respective owners.

    Personal data

    HEURISME is the controller of the personal data processing carried out through the website.

    Data sent through the contact form or by email (name, email address, message content) is used only to answer requests. It is neither transferred nor sold, and is kept for no more than three years after the last exchange.

    Messages sent through the contact form are passed to the Slack messaging service (Slack Technologies, United States), only to be read and answered. The form's technical logs are kept for 30 days in AWS CloudWatch (Paris region). To limit spam, the anti-abuse counter keeps only a fingerprint (SHA-256 hash) of the IP address. It expires one hour after the last message, then is deleted automatically, generally within a few days. The transfer to Slack (United States) relies on the EU-US Data Privacy Framework, to which Slack adheres.

    A feedback form placed below each article allows visitors to report an error or suggest an addition (name, email address, comment). This data follows the same rules as the contact form: same use, same retention period, same transmission to Slack, same technical logs and same anti-abuse counter. It is used to review and, where appropriate, correct the article. The contributor's name is published below the article (acknowledgement line) only if they checked the consent box and if their remark is used. The email address and comment are never published. A published name is removed on request to contact@heurisme.fr.

    Under the General Data Protection Regulation (GDPR) and the French Data Protection Act (loi Informatique et Libertés), you have the right to access, rectify, erase, restrict and object to the processing of your data, as well as the right to data portability. To exercise these rights, write to contact@heurisme.fr. You may also lodge a complaint with the CNIL, the French data protection authority (https://www.cnil.fr).

    Cookies and audience measurement

    The website measures its audience with Google Analytics 4, only if you agree in the banner shown on your first visit. Without your consent, no Google script is loaded and no measurement cookie is set.

    Your choice itself is kept in your browser's local storage (key consentement) and is never sent to a server. The light or dark theme choice is kept the same way.

    Governing law

    This legal notice is governed by French law. In the event of a dispute, and failing an amicable settlement, the courts of Paris have jurisdiction.