Bouygues Telecom
Incident posture
Linked entities
- Victim
- Bouygues Telecom
- Threat actors
- 0 actors
- Sources
- 1 source
Timeline
Summary
Bouygues Telecom disclosed that unauthorized actors gained access to personal data of approximately 6.4 million customer accounts during a cyber intrusion. The operator stated that its technical teams contained the breach promptly, implemented additional safeguards, notified the French data protection authority, filed a police complaint, and began informing affected customers via email or SMS while providing a dedicated web page and toll‑free line for assistance.
Motives
Detailed motive labels are available to members.
TTPs
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Description
On August 6, 2025, Bouygues Telecom announced that it had been victim of a cyberattack. The attack enabled unauthorized access to certain personal data belonging to 6.4 million customer accounts. The company disclosed the incident via a press release published on its corporate website. The announcement specified that the compromised data consisted of personal information, though it did not detail the exact categories. The statement was issued from Meudon-la-Forêt.
Bouygues Telecom's technical teams resolved the situation in the shortest possible time. Following the containment, the operator implemented all additional measures deemed necessary. The company notified the Commission nationale de l'informatique et des libertés (CNIL) about the breach. Bouygues Telecom also filed a complaint with the judicial authorities. These actions were undertaken to comply with legal and regulatory obligations.
All affected customers were informed or will be informed by email or SMS. The communication aimed to notify them of the unauthorized access to their data. Bouygues Telecom stated that its teams remain fully mobilized to accompany the concerned customers. A dedicated internet page was made available for further information. A toll‑free telephone number, 0801 239 901, was activated for assistance. Additionally, the Bouygues Telecom Mag published a complete dossier on the security of personal information.
Sources
Sources available to members: 1 source.