22,000 patients affected by ransomware attack on Cleveland Medical Associates

While the compromised computer was both locked and encrypted, the forensic investigation team couldn’t determine with certainty if there was unauthorized access to patient data during the April 21 attack. Cleveland Medical Associates began notifying 22,000 of its patients of an April 21 ransomware attack that may have compromised patient data. The compromised computer was both locked and encrypted, and there is currently no evidence the patient data was impacted. The attack did not impact patient care at Cleveland Medical.