Data Breaches
← Breach overview
Bouygues Telecom S.A. is a French telecommunications company that provides mobile phone, internet, and IPTV services. It operates within France.
Key Takeaways
- In August 2025, a cyber attack exposed the bank account numbers, dates of birth, email addresses, names, phone numbers, and physical addresses of 5.7 million Bouygues Telecom customers.
- This incident is part of a broader pattern of data breaches affecting the telecommunications sector.
- Individuals affected by this breach should be vigilant about potential identity theft and financial fraud due to the exposure of sensitive personal and financial information.
Breach Overview
In August 2025, Bouygues Telecom S.A., a French telecommunications company, experienced a cyber attack that led to a data breach. This incident exposed the personal information of 5.7 million customers. The exposed data included bank account numbers (IBANs), dates of birth, email addresses, names, phone numbers, and physical addresses. The company has publicly acknowledged the incident and stated that all affected customers were notified.
Exposed Data
Timeline & Cause
The cyber attack against Bouygues Telecom occurred in August 2025. The company disclosed the incident on September 24, 2025. The specific cause or method of the attack was described as a cyber attack against their services, but further details on how it happened were not provided in the available information.
Next Steps
Given the exposure of sensitive personal and financial information, affected individuals should take immediate steps to protect themselves. Monitor your bank accounts and credit reports closely for any unusual activity. Be extremely cautious of unsolicited communications, especially those asking for personal details or financial information, as these could be phishing attempts. Consider placing a fraud alert or credit freeze on your credit files to prevent unauthorized accounts from being opened in your name. If Bouygues Telecom has offered specific guidance, such as credit monitoring services or a dedicated hotline, utilize those resources.