mediarithmics and Easyence merge. The group becomes the key player in Retail + Media, Register here.
See French version ➜

Personal Data Privacy Policy - Connect ID

Updated: November 2025

mediarithmics is a publisher of marketing and analytics software solutions. These solutions may collect and process personal data.

The solution covered by this policy is the Connect ID service provided by mediarithmics to its clients, for which mediarithmics acts as the data controller within the meaning of the General Data Protection Regulation (GDPR).

When subsequently using the information obtained through the Connect ID service for the purposes set out below, Mediarithmics' client is data controller for processing the operations resulting from such subsequent use.
‍

Service Description

The Connect ID service is designed for advertisers, allowing them to enrich the identifiers available for their marketing or advertising campaigns.

For example, if an advertiser wishes to retarget its customer base and only has email addresses, it can rely on the Connect ID service to retrieve mobile identifiers or third-party cookies associated with those emails, which can then be used as targeting criteria.
‍

Purpose

The Connect ID service enables mediarithmics to pursue the following purpose:

To enrich the identifiers available for advertisers in order to facilitate targeted advertising and marketing measurement activities.

Under the Transparency Consent Framework version 2.2 as formalized by the Interactive Advertising Bureau Europe, Mediarithmics declares the following purposes for the Connect ID service:

  • Purpose 1: Store and/or access information on a device
  • Purpose 3: Create profiles for personalised advertising
  • Purpose 5: Create profiles to personalise content
  • Purpose 7: Measure advertising performance
  • Purpose 8: Measure content performance
  • Purpose 9: Understand audiences through statistics or combinations of data from different sources
  • Purpose 10: Develop and improve services

The following specific purposes are also pursued in this context:

  • Specific purpose 3: Save and communicate privacy choices
    ‍

Processed Data

The Connect ID service processes the following pseudonymized data:

  • Advertising cookies
  • Mobile advertising identifiers
  • Hashed email addresses
  • IP adresses
  • Probabilistic identifiers
  • Device characteristics
  • Authentication-derived identifiers
  • Devices identifiers
  • Privacy choices

mediarithmics strictly prohibits the collection or processing of sensitive data within the meaning of the GDPR.
‍

Legal Basis

These data are processed on the basis of your consent, collected either via a consent management platform, a checkbox located below a collection form, or any other appropriate consent mechanism.

The choice regarding privacy is processed by Mediarithmics within the Transparency and Consent Framework of the IAB Europe on the basis of its legitimate interest, insofar as this processing is necessary to enable Mediarithmics to respect your choice.
‍

Consent and Management of Consent Strings

mediarithmics relies on the Transparency and Consent Framework (TCF) developed by IAB Europe to collect and manage user consent.
‍

Retention periods

In terms of the management of information held by Mediarithmics within the Connect ID service, this information is retained for a period of one year.
 

Data recipients

The recipients of the data are Mediarithmics' clients, who use the information processed by the Connect ID service for their marketing or advertising campaigns.

Mediarithmics also uses subcontractors, acting on its instructions and on its behalf, to host the data.  

The data processing carried out by Mediarithmics does not involve the transfer of data outside the European Union. Should this circumstance change, Mediarithmics would ensure, prior to the transfer, that it is secure by:

  • verifying that the recipient belongs to a country that provides an adequate level of protection according to the European Commission and benefits from an adequacy decision,
  • concluding standard contractual clauses in accordance with those published by the European Commission,
  • ensuring that binding corporate rules applicable to the recipient concerned are in place.

‍

Exercising Your Rights

You may exercise your rights of access, rectification, objection, erasure, restriction, or portability of your personal data by contacting us:

  • By email: privacy@mediarithmics.com
  • By mail: mediarithmics – 3 rue d’Édimbourg, 75008 Paris, France

‍

Contact

If you would like to obtain further information about the processing of personal data by mediarithmics solutions, or if you believe that the information above does not enable you to exercise your rights, please contact us at:

  • By email: privacy@mediarithmics.com
  • By mail: mediarithmics – 3 rue d’Édimbourg, 75008 Paris, France

‍

Changes to This Policy

mediarithmics reserves the right to amend this privacy policy at any time in order to reflect updates to the Connect ID service or to comply with applicable regulations.