Data breach

Bouygues Telecom data breach

Bouygues Telecom (bouyguestelecom.fr) suffered a data breach on 4 August 2025. Here is what leaked, how to find out whether you are affected, and what to do.

High risk

Indicative guide: high if passwords, bank details, ID documents or health data leaked; medium if a phone number, address or date of birth; low otherwise.

Breach date
4 August 2025
Accounts affected
5,685,771
Types of data
6
Known to HIBP since
24 September 2025

What leaked

bank account numbersdates of birthemail addressesnamesphone numbersphysical addresses

Are you affected?

Search for your email address on Have I Been Pwned: if it appears in the Bouygues Telecom breach, your data are part of it. Your email never goes through ShredRGPD.

Search for my email (new tab)Breach page on HIBP (new tab)

What to do now?

Your action plan

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Your progress stays in this browser.

A message that mentions the breach, a call “from your bank”? See what to do on What to do?.

Write to Bouygues Telecom

The GDPR lets you ask the company what data it holds about you and what leaked (Articles 15 and 34), or to erase your data (Article 17). It has one month to reply (Article 12(3)).

Ask what leakedRequest erasure

Data protection contact: dpo@bouyguestelecom.fr (source (new tab), checked on 7 October 2026).

Information: Have I Been Pwned (new tab), under the CC BY 4.0 (new tab) licence, updated on 30 October 2026. This is public information about the breach, not the breached data. Logos provided by Have I Been Pwned. Trademarks belong to their owners; ShredRGPD has no connection with these companies.