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SFR Data Breach History

Telecommunications France
Website

French telecommunications operator (Altice France) offering mobile, fixed broadband, and TV services.

This page shows all data breaches of SFR. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

1Total breaches
2.1MRecords breached
June 2026Last breach
34 AI Breach Risk score Moderate

Data Breach Timeline — All SFR Breaches

SFR Data Breach Summary

This page tracks the SFR data breach history and cybersecurity incidents affecting SFR (France). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 2.1 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The SFR breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed, while 1 remain unverified claims pending independent verification.

Largest SFR Data Breaches

The largest indexed incidents include the 2026 SFR — fibre connection-tool breach (detected Jul 2); company confirms PII; ~2…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by SFR or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include passwords and login credentials, phone numbers, names, physical addresses, bank account details, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

SFR Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to SFR. Most recent entry: 2026 SFR — fibre connection-tool breach (detected Jul 2); company confirms PII; ~2.1M rows claimed. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a SFR data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This SFR breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

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