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47 disclosed this week · 26,367 on record

UHS of Delaware

Disclosed Mar 29, 202340,290 affectedConfirmed

Official notice

UHS of Delaware, the business associate (BA), reported that an employee of its subcontractor was the subject of an email phishing scheme that compromised the protected health information (PHI) for 40,290 individuals. The PHI involved included names, addresses, dates of birth, claims and health insurance information, diagnoses, and other treatment information. The BA notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the BA implemented additional administrative, technical, and security safeguards to better protect its sensitive data. All staff were retrained on email security precautions.

What is known

People affected40,290 (as reported to HHS)
DisclosedMar 29, 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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