Every public data breach

44 disclosed this week · 26,355 on record

Buddhist Tzu Chi Medical Foundation

Disclosed Sep 9, 202118,968 affectedConfirmed

Official notice

Buddhist Tzu Chi Medical Foundation, the covered entity (CE), reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 18,968 individuals. The PHI involved included names, addresses, dates of birth, and diagnoses. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE strengthened its administrative and technical safeguards and retrained its staff. OCR provided technical assistance regarding the HIPAA Privacy and Security Rule.

What is known

People affected18,968 (as reported to HHS)
DisclosedSep 9, 2021
HappenedJul 15, 2021
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 18968by backfillSource
summary2026-09-25
empty to Buddhist Tzu Chi Medical Foundation, the covered entity (CE), reported that it was the victim of a ransomware attack that compromised the protected health information (PHI) of 18,968 individuals. The PHI involved included names, addresses, by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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