Assured Imaging Ransomware Causes Data Theft Affecting 245K Patients

Jessica Davis

Arizona-based Assured Imaging is notifying 244,813 patients that some of their data was potentially exfiltrated after a ransomware attack in May.

On May 19, Assured first discovered its electronic medical records system was encrypted with ransomware. Officials quickly worked to restore access to the patient data stored in the EMR and launched an investigation with help from third-party computer forensics specialists to verify the scope of the incident.

The investigation confirmed on July 1 that the threat actor first gained access to Assured systems on May 15 until May 17, stealing some patient data in the process before launching the final ransomware payload. The investigation could not fully determine just what patient data was stolen.

Officials reviewed all information stored in...

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