Bouygues Telecom data breach
The Bouygues Telecom breach happened on August 4, 2025 and exposed 5,685,771 accounts. 6 kinds of data were exposed.
Overview
- Site
- bouyguestelecom.fr
- Breach date
- August 4, 2025
- Recorded on
- September 24, 2025
- Accounts exposed
- 5,685,771
- Exposed data
- Bank account numbers, Dates of birth, Email addresses, Names, Phone numbers, Physical addresses
- Risk score
- 71 out of 100
Risk based on the exposed data
This breach scores 71 out of 100. The score is driven mostly by Bank account numbers, Phone numbers, Physical addresses.
The risk score is a guide to how dangerous a breach is, judged by the kinds of data exposed. The number of accounts is not included.
Breaches from the same period
- Giglio (2025-08-09, 1,026,468 accounts)
- Pi-hole (2025-07-30, 29,926 accounts)
- BreachForums (2025) (2025-08-11, 672,247 accounts)
What affected users should do
- Passwords were not exposed, but you may receive fake emails aimed at the exposed email addresses.
- Turn on two-factor authentication for your login.
- Phone numbers were exposed, so watch out for impersonation by text message or phone call.
- Card or bank details were exposed, so check your statements and contact your card issuer or bank about any charges you do not recognize.
This site organizes publicly available information about data breaches. Data as of January 11, 2026. Breach dates are as originally listed; when only the month is known, the date is recorded as the 1st.