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UKcriticalData breach2 May 2025

Co-op member data stolen in DragonForce attack

Hackers took data on current and past members. Co-op later put the figure at about 6.5 million.

Organisation
Co-op (UK)
Disclosed
2 May 2025
Affected
6,500,000
Data
Names, contact details, membership data
Attacker
DragonForce / Scattered Spider
Severity
critical
Region
UK
Source
CM Alliance monthly roundup ↗

Cite this

Nuffield Consulting, “Co-op member data stolen in DragonForce attack”, The Daily Tech Wire outage & breach log, 2 May 2025. https://techwire.nuffieldconsulting.com/incidents/2025-05-02-co-op-uk-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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