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Bouygues Telecom breach exposes 6.4 million customers
Contact and contract details, including IBANs, were stolen.
- Organisation
- Bouygues Telecom
- Disclosed
- 6 August 2025
- Affected
- 6,400,000
- Data
- Contact details, contracts, IBANs
- Attacker
- Unknown
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Bouygues Telecom breach exposes 6.4 million customers”, The Daily Tech Wire outage & breach log, 6 Aug 2025. https://techwire.nuffieldconsulting.com/incidents/2025-08-06-bouygues-telecom-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM Alliance monthly roundup, https://www.cm-alliance.com/cybersecurity-blog/major-cyber-attacks-ransomware-attacks-and-data-breaches-august-2025.
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