- State
- WI
- Covered entity type
- Health Plan
- Individuals affected
- 51,232
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
Network Health, the covered entity (CE), reported that its employees were the victims of an email phishing attack. The affected accounts contained the protected health information (PHI) of 51,323 individuals. The PHI involved included names, addresses, phone numbers, dates of birth, claims data, provider information, and Medicare numbers. The CE notified HHS, affected individuals, and the media. The CE also notified the Federal Bureau of Investigation. As a result of this breach and OCR’s investigation, the CE implemented additional administrative and technical safeguards and retrained its staff. As a part of this training, the CE instructed employees on the proper methods of identifying fraudulent email communications. OCR obtained assurances that the CE implemented the aforementioned corrective actions.
Change history
- 9/23/2026Added 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.