Massive cyber attack at Bouygues Telecom: 6 million stolen accounts, the worst is coming now

The Bouygues Telecom logo, here on a smartphone screen – the operator faces a cyber attack that exposed the data of 6.4 million customers.

© Shuttershock

In a context where data leaks are increasing – Orange was the victim of a large -scale cyber attack at the end of July, on August 6, 2025, Bouygues Telecom confirmed that it had undergone computer intrusion allowing cybercriminals to access personal data. The operator claims to have quickly contained the incident, but the volume of compromise accounts, estimated at more than six million, questions.

Bouygues’ official press release on the cyber attack of August 6, 2025;

© Bouygues

The press release fell yesterday at the end of the day. Bouygues Telecom announces that it was the target of a cyber attack. Not an attempt, no: a successful intrusion, detected on August 4, in customer databases. The scale is disturbing: 6.4 million accounts on display.

The pirates did not get their hands on passwords or bank card numbers, insists the operator. On the other hand, they were able to extract sensitive personal and banking information:

  • nom,
  • first name,
  • address,
  • date of birth,
  • phone number,
  • e-mail address,
  • contract number,
  • IBAN.

Bouygues Telecom was the victim of a cyber attack that allowed unauthorized access to certain personal data of 6.4 million customer accounts. […] All the customers concerned have received or will receive an email or an SMS.

Bouygues Telecom, in its press release

For Bouygues Telecom, the fault is now clogged. A complaint has been filed, the informed CNIL, and the customers concerned will be contacted by email or SMS. A toll -free number (0801 239 901) has been set up, as well as a page dedicated to the incident.

What if you are Bouygues Telecom customer?

Where Bouygues tries to reassure, confidence is crumbling. Because basically, it is not so much the speed of the reaction that challenges, but the ease with which such sensitive data could be extracted. Six million identities, including some banking, in potential circulation: this is enough to feed the scam machine. In the coming weeks, you should not be surprised to receive well -crafted SMS, too well written emails, even a little too precise calls. Pirates now have something to personalize their traps, and that’s the problem.

Pay particular attention to calls from false banking advisers who would try to trust you by citing your name or account number. If in doubt, put an end to the call and recall your establishment or bank advisor to its usual number.

Bouygues Telecom, in its press release

At this point, the important thing is to act quickly, but without panicking. If you are a Bouygues customer, there is a good chance that your personal data has been compromised. The operator promises to alert people affected by email or SMS, but you don’t have to wait.

  1. Consult your bank statements regularly, to detect any suspicious transaction.
  2. Ignore incoming calls or unusual SMS, especially if they press you to communicate a code or validate a banking operation.
  3. Activate safety alerts on your banking application (real -time notifications).
  4. Do not click on any link received by e-mail or SMS, even if it seems to come from Bouygues or your bank.

The most formidable scams are those that seem authentic. The pirates now have your complete contact details, which allows them to make perfectly targeted traps. And when you are called by knowing your name, address and operator, it is easy to fall into the panel. It is therefore a good time to protect yourself against telephone scams, including those from abroad.

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