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The Chattanooga Heart Institute
ArchivedSubmitted 07/28/2023
Updated 14 hours ago ()
- State
- TN
- Covered entity type
- Healthcare Provider
- Individuals affected
- 545,491
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
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.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.