- State
- MO
- Covered entity type
- Healthcare Provider
- Individuals affected
- 14,402
- 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
The covered entity (CE), University of Missouri Health Care, reported that several employees were the victims of an email phishing attack that affected the electronic protected health information (ePHI) of 14,402 individuals. The ePHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses and conditions, lab results, medications prescribed, financial and health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. The CE also established a dedicated call center for questions or concerns. In response to the breach, the CE implemented additional technical safeguards and retrained its staff on email security.
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.