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144GB of Royal Mail data leaked via supplier
Over 144GB of Royal Mail customer data was leaked after a breach at analytics supplier Spectos.
- Organisation
- Royal Mail (Spectos)
- Disclosed
- 2 April 2025
- Affected
- Not stated
- Data
- Customer data, mailing lists
- Attacker
- GHNA
- Severity
- major
- Region
- UK
- Source
- CM-Alliance ↗
Cite this
Nuffield Consulting, “144GB of Royal Mail data leaked via supplier”, The Daily Tech Wire outage & breach log, 2 Apr 2025. https://techwire.nuffieldconsulting.com/incidents/2025-04-02-royal-mail-spectos-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM-Alliance, https://www.cm-alliance.com/cybersecurity-blog/april-2025-major-cyber-attacks-ransomware-attacks-and-data-breaches.
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