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47 disclosed this week · 26,367 on record

Washington University School of Medicine

Disclosed Mar 25, 201780,270 affectedConfirmed

Official notice

The covered entity (CE), Washington University School of Medicine, reported that numerous employees were victims of an email phishing attack. This breach affected 80,270 individuals. The protected health information (PHI) involved included names, addresses, dates of birth, Social Security numbers, financial information, and treatment information. The CE notified HHS, affected individuals, and the media. The CE implemented additional administrative and technical safeguards to further protect its PHI and retrained its staff. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected80,270 (as reported to HHS)
DisclosedMar 25, 2017
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Washington University School of Medicine

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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