- State
- MO
- Covered entity type
- Healthcare Provider
- Individuals affected
- 1,056
- 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), Washington University School of Medicine, reported that it experienced a hacking incident that affected the protected health information (PHI) of 1,056 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses/conditions, and medication names. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional 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.