Data Breach Alert: Communauté de communes de l’Estuaire
On December 23, 2025, a data breach was discovered at cc-estuaire.fr, the official website of the Communauté de communes de l’Estuaire. This incident has raised significant concerns regarding the security of sensitive information managed by the organization, which plays a crucial role in supporting local businesses in the Seine Estuary region of France.
About Communauté de communes de l’Estuaire
The Communauté de communes de l’Estuaire is a regional chamber of commerce and industry dedicated to fostering economic development within the Seine Estuary territory. The organization provides essential services that include business formation and growth advice, training programs, and export support. They also represent the commercial and industrial interests of local businesses, making them a vital player in the regional economy.
What Happened
The breach was attributed to a cybercriminal group known as Qilin. While the exact size of the data leak remains unknown, the implications of such a breach can be severe, potentially exposing sensitive information related to local businesses and their operations. The discovery of the breach has prompted immediate investigations to assess the extent of the damage and to secure the compromised systems.
Next Steps
If you are a business or individual potentially affected by this data breach, it is crucial to take action. We encourage you to reach out to the Srourian Law Firm (SLF) to discuss your options and understand the steps you can take to protect your information and mitigate any potential risks. Our experienced legal team is here to assist you in navigating this challenging situation.
LINKS:

Srourian Law Firm is investigating a potential class action lawsuit against Communauté de communes de l’Estuaire for a recent data breach.
If you received a NOTICE OF DATA BREACH letter from Communauté de communes de l’Estuaire, complete the form below so we can discuss your legal options.
Submit Your Information
