- State
- WI
- Covered entity type
- Healthcare Provider
- Individuals affected
- 68,212
- Business associate present
- Yes
- 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), Wisconsin Diagnostics Laboratories, reported that its business associate (BA) experienced a cybersecurity incident that compromised the protected health information (PHI) of 68,212 individuals. The PHI involved included names, addresses, dates of birth, financial information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach the CE ceased its business relationship with the BA.
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.