Back to the register
Cornerstone Healthcare Group Management Services LLC
ArchivedSubmitted 03/14/2024
Updated 18 hours ago ()
- State
- KY
- Covered entity type
- Business Associate
- Individuals affected
- 484,957
- Business associate present
- Yes
- 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
Cornerstone Healthcare Group Management Services, the business associate (BA), reported that it experienced a hacking incident that compromised the protected health information (PHI) of 484,957 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, drivers’ license numbers, financial information, health insurance information and clinical information. The notified HHS, the affected individuals, and the media. In response to the breach, the BA strengthened its technical safeguards. OCR provided technical assistance to the BA pertaining to the HIPAA Breach Notification and Security Rules.
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.