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Data allegedly stolen from French warship builder
A hacker claimed to have leaked about 1TB, including submarine and warship documents.
- Organisation
- Naval Group
- Disclosed
- 27 July 2025
- Affected
- Not stated
- Data
- Defence documents, supplier data
- Attacker
- Unknown
- Severity
- major
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Data allegedly stolen from French warship builder”, The Daily Tech Wire outage & breach log, 27 Jul 2025. https://techwire.nuffieldconsulting.com/incidents/2025-07-27-naval-group-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/july-2025-biggest-cyber-attacks-ransomware-attacks-and-data-breaches.
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