What’s new: Bouygues Telecom has confirmed a data breach affecting 6.4 million customers, with personal information exposed during a cyberattack on August 4, 2025. The company has reported no impact on customer services or networks, but sensitive data including contact details, contract information, civil status data, company details for business customers, and International Bank Account Numbers (IBANs) were compromised. No credit card numbers or account passwords were affected. Bouygues Telecom has taken measures to block the attacker’s access and enhance security.
Who’s affected
Approximately 6.4 million customers of Bouygues Telecom are impacted by the breach, which includes both individual and business accounts.
What to do
- Customers should be vigilant against potential fraud and phishing attempts, especially those involving requests for sensitive information.
- Regularly check bank statements for any suspicious activity and report any concerns to their bank immediately.
- Do not share personal information with callers claiming to be from Bouygues Telecom.
