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44 disclosed this week · 26,355 on record

University of Houston College of Optometry

Disclosed Nov 12, 202118,500 affectedConfirmed

Official notice

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 affected18,500 (as reported to HHS)
DisclosedNov 12, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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