Bouygues Telecom confirms data breach impacting 6.4 million customers
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 that no credit card numbers or account passwords were compromised, but customer data including contact details, contract information, civil status data, company details, and International Bank Account Numbers (IBANs) were accessed. Bouygues Telecom has taken measures to block the attacker’s access and enhance security monitoring.
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 remain vigilant against potential fraud and phishing attempts, especially those involving requests for sensitive information.
- Regularly check bank account statements for any suspicious activity and report any concerns to their bank immediately.
- Be cautious of unsolicited communications that reference personal account details.
