- State
- WI
- Covered entity type
- Healthcare Provider
- Individuals affected
- 20,790
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Bellin Health, reported that it experienced a cyberattack that compromised the protected health information (PHI) of 20,790 individuals. The PHI involved included names, addresses, dates of birth, phone numbers, Social Security numbers, health insurance information, diagnoses, and other treatment information. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE provided complimentary credit monitoring services and strengthened its administrative and technical safeguards to better protect sensitive data.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.