Tens of Thousands of Patients at the University Hospital Cologne Affected by Cyberattack: Diagnostics, Addresses, Billing Information

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Tens of Thousands of Patients at the University Hospital Cologne Affected by Cyberattack: Diagnostics, Addresses, Billing Information

www.bbv-net.de • May 22, 2026

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The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Data Breach at NHS Trust Affects Nearly 33,000 Patients Bedfordshire Hospitals NHS Foundation Trust reported a data security incident affecting approximately 32,927 patients. The breach occurred in June 2024 when criminals executed a ransomware attack on a supplier, leading to the unlawful access and extraction of internal files. The data involved relates to patients who had laboratory or diagnostic results between 2011 and 2020. Due to the fragmented and incomplete nature of the data, the Trust believes the risk of misuse is low. However, there is a limited risk of unsolicited contact by scammers. The Trust has taken steps to notify affected individuals and has obtained a court injunction to prevent further sharing of the stolen data. The incident highlights ongoing vulnerabilities in healthcare data security. 36 sources 52

Extracted Entities

Attack Types (1)

Companies (1)

University Hospital Cologne

CWE Weaknesses (1)

CWE-200 - Exposure of Sensitive Information