University of Houston College of Optometry
Disclosed Nov 12, 20214 years ago18,500 affectedConfirmed
The covered entity (CE), University of Houston College of Optometry, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 18,500 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, drivers’ license numbers, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach the CE implemented additional physical and technical safeguards and retrained its employees on the HIPAA Privacy and Security Rules. OCR provided the CE with technical assistance regarding the HIPAA Security Rule.
What is known
| People affected | 18,500 (as reported to HHS) |
|---|---|
| Disclosed | Nov 12, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): University of Houston College of Optometry (Healthcare Provider, TX)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 12, 2021 | 18,500 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.