Personal Data Leak Monitor

Bouygues Telecom data breach

5.69M accounts from Bouygues Telecom (bouyguestelecom.fr) were exposed in this breach. Besides email addresses, it included bank account numbers, which makes it a high-risk breach.

Breach date
August 4, 2025
Accounts
5,685,771
Added to the database
September 24, 2025

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What leaked

Bank account numbersDates of birthEmail addressesNamesPhone numbersPhysical addresses

What to do now

  1. Inspect your bank statements for unknown withdrawals
  2. If your birthday is a PIN, kindly change it
  3. Do not tap links in emails claiming to be that service
  4. Expect scam emails that use your real name
  5. Be alert to fake delivery or unpaid-bill texts and calls

Tools that help with this breach

Norton 360PaidVisit the official site →(opens in a new tab)ESETPaidVisit the official site →(opens in a new tab)

About this breach

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.

Source: Have I Been Pwned (CC BY 4.0)

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