Every public data breach

44 disclosed this week · 26,355 on record

BJC Health System

Disclosed May 5, 2020287,876 affectedConfirmed

Official notice

The business associate (BA), BJC Health System, reported that several employees were the subjects of an email phishing scheme that affected the protected health information (PHI) of 287,876 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, diagnoses, medical conditions, lab results, and medications prescribed. The BA notified HHS, affected individuals, the media, and provided substitute notice. The BA also provided complimentary credit monitoring and identity protection services. In its mitigation efforts, the BA strengthened its administrative and technical safeguards and retrained its staff on email security.

What is known

People affected287,876 (as reported to HHS)
DisclosedMay 5, 2020
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at BJC Health System

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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