Chattanooga Heart Institute

The covered entity (CE), Chattanooga Heart Institute, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 595,491 individuals. The affected information included names, addresses, dates of birth, drivers’ license and Social Security numbers, claims and financial information, diagnoses, lab results, medications, and other treatment information. The CE provided breach notification to the affected individuals, the media, the HHS Secretary, and posted substitute breach notice on its website. In response to the breach, the CE reset all passwords and implemented a series of improved technical safeguards.