Impact & Downstream Threats
This breach carries critical risk due to the nature of exposed data fields and the scale of affected records.
- Financial fraud using exposed financial profile data
- Identity verification bypass using name + date of birth combination
- SIM swap attacks where phone numbers are present
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
Breach Intelligence
Executive Summary
In August 2025, the French telecommunications company Bouygues Telecom detected a cyber attack against their services. The incident resulted in a data breach that exposed almost 6.4M customer records, including 5.7M unique email addresses. The breach also exposed names, physical addresses, phone numbers, dates of birth and IBANs (International Bank Account Numbers). Bouygues Telecom advised that all affected customers had been notified about the incident.
About Bouygues Telecom
French telecommunications provider.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 5.7M records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In August 2025, Bouygues Telecom experienced a data breach that exposed approximately 5.7M records containing personal information.
The exposed data includes fields such as bank account number, date of birth, email address, full name, phone number.
Approximately 5.7M records were affected based on current breach intelligence.
Protect Yourself
Check If You’re Affected
Enter your email to check if your data appears in this breach.
Get Free Breach Alerts
Be the first to know when new breaches are disclosed.
High-Risk? Get an Exposure Audit
Full-spectrum exposure audits for executives and public figures.
ObscureIQ Advisory
We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.
- A public-facing individual
- A high-profile executive
- A customer of Bouygues Telecom
- Or concerned about credential reuse
Powered by the ObscureIQ Breach Intelligence Database
© 2026 ObscureIQ · All Rights Reserved · Data Licensing
Latest from ObscureIQ
What Is Credit Monitoring? And Do I Want It? (Answer: Not Really)
Lock Down Browsers. Wipe Employee Footprints. Win Breach Wars.
Sextortion Spam