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Sfr cybersecurity incidents and threat signals
sfr.re
This company page brings together public reporting currently associated with Sfr. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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August 5, 2026
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All published signals involving Sfr
SFR Customer Data Breach via Contractor's Database and Order Management System
French telecommunications operator SFR, parent company of SFR Réunion, detected a security incident on September 3, 2024, involving a breach in a customer database used by one of its contractors. The breach also affected its customer order management system, leading to the exposure of personal data for an estimated 50,000 to 3.6 million customers. The compromised information included names, contact details (address, phone number, email), contract numbers, and for some customers, International Bank Account Numbers (IBANs) and International Mobile Subscriber Identity (IMSI) phone numbers. SFR initiated necessary measures upon detection, notified affected individuals, and informed relevant authorities, including France's National Commission for Information Technology and Civil Liberties (CNIL).
FAQ
Questions about Sfr cybersecurity reporting
What does the Sfr page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Sfr.
Does every mention of Sfr appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.