Memorial Hermann Health System
Disclosed Mar 31, 20211,893 affectedConfirmed
The covered entity (CE), Memorial Hermann Health System, reported that an employee of its business associate (BA) uploaded the protected health information (PHI) of 1,893 individuals to the Internet; the data was then viewable by the public. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, claims and health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA provided complimentary credit monitoring services and implemented additional technical safeguards.
What is known
| People affected | 1,893 (as reported to HHS) |
|---|---|
| Disclosed | Mar 31, 2021 |
| Attack | Insider |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Memorial Hermann Health System
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.