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44 disclosed this week · 26,355 on record

St. Charles Health System

Disclosed Jun 14, 20214,687 affectedConfirmed

Official notice

The covered entity (CE), St. Charles Health System, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of 4,687 individuals. The ePHI involved included names, Social Security numbers, addresses, dates of birth, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. Following the breach, the BA provided complimentary identity and credit monitoring services.

What is known

People affected4,687 (as reported by the organization)
DisclosedJun 14, 2021
HappenedApr 2, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at St. Charles Health System

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to The covered entity (CE), St. Charles Health System, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of 4,687 individuals. The ePHI involved included namesby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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