- State
- WI
- Covered entity type
- Business Associate
- Individuals affected
- 7,880
- Business associate present
- Yes
- 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
OS, Inc., a business associate (BA), reported that one of its employees was the victim of an email phishing scheme that affected the electronic protected health information (ePHI) of 46,578 individuals. The ePHI involved included names, birthdates, addresses, Social Security numbers, claims information, diagnoses/conditions, lab results, and medications prescribed. The BA notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the BA implemented new technical safeguards and retrained its staff on email security precautions. OCR obtained assurances that the CE implemented the corrective actions noted.
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.