Co-op security incident history
Hacking, data breaches and other security incidents involving Co-op, with related coverage.
Incidents: 1 · Most recent
UK Co-op hack exposes data of 6.5 million members
6.5mImpact: Data of 6.5 million members stolen; about $275 million in lost revenue
The UK's Co-op detected attempts at unauthorised access to its network in late April 2025 and shut down some IT systems. The attackers broke in by using social engineering to reset staff passwords, and it was later confirmed that data on all 6.5 million members had been stolen. Back-office, call centre and product supply operations were disrupted, and the company reported a revenue loss of about $275 million.
Related reports: 30 · last report →