Cookeville Regional Medical Center hospital data breach impacts 337,917 people

A ransomware attack on Cookeville Regional Medical Center in Tennessee has compromised the sensitive information of 337,917 individuals, with hackers making off with approximately 500GB of stolen data. The incident, attributed to the Rhysida group, was first detected on July 14, 2025, prompting a swift investigation by the hospital. The breach has significant implications for the affected individuals, whose personal data may now be in the hands of malicious actors. The attack highlights the ongoing threat posed by ransomware to healthcare organizations, which often possess vast amounts of sensitive patient information¹. This incident serves as a stark reminder of the importance of robust cybersecurity measures in protecting sensitive data, particularly in the healthcare sector, where the consequences of a breach can be severe and long-lasting.