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47 disclosed this week · 26,367 on record

McAllen Hospitals

Disclosed Mar 20, 2023134,634 affectedConfirmed

Official notice

The covered entity (CE), McAllen Hospitals dba South Texas Health System, reported that an employee was the subject of an email phishing scheme that affected the protected health information (PHI) of 134,634 individuals. The PHI involved included names, diagnoses, and financial and claims information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards and retrained staff on email security.

What is known

People affected134,634 (as reported to HHS)
DisclosedMar 20, 2023
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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