Every public data breach

44 disclosed this week · 26,355 on record

North Kansas City Hospital

Disclosed Jan 3, 2024502,438 affectedConfirmed

Official notice

The covered entity (CE), North Kansas City Hospital, reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 502,438 individuals. The PHI involved included names, dates of birth, addresses, claims information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE terminated its business relationship with the BA and implemented additional administrative safeguards to better protect PHI.

What is known

People affected502,438 (as reported to HHS)
DisclosedJan 3, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 502438by backfillSource
summary2026-09-25
empty to The covered entity (CE), North Kansas City Hospital, reported that its business associate (BA) experienced a cyber-attack that affected the protected health information (PHI) of 502,438 individuals. The PHI involved included names, dates ofby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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