Every public data breach

44 disclosed this week · 26,355 on record

Indiana University Health

Disclosed Apr 17, 202321,383 affectedConfirmed

Official notice

The covered entity (CE), Indiana University Health, reported that its business associate (BA) experienced a cybersecurity incident that affected the protected health information (PHI) of 4,194 individuals. The PHI involved included names and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional technical and security safeguards to better protect PHI.

What is known

People affected21,383 (as reported to HHS)
DisclosedApr 17, 2023
HappenedJun 20, 2023
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Indiana University Health

History of this record
records2026-09-25
4194 to 21383by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
465 to 4194by backfillSource
summary2026-09-25
empty to The covered entity (CE), Indiana University Health, reported that its business associate (BA) experienced a cybersecurity incident that affected the protected health information (PHI) of 4,194 individuals. The PHI involved included names anby backfillSource
records2026-09-25
1 to 465by backfillSource
disclosed2026-09-25
2023-07-21 to 2023-04-17by 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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