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Arnot Health

Disclosed Aug 18, 20206 years ago1,164 affectedConfirmed

Official notice

The covered entity (CE), Arnot Health, reported that its business associate (BA) experienced a ransomware attack that compromised the protected health information (PHI) of 1,164 individuals. The PHI involved included names, addresses, diagnoses, claims information, and medication information. The CE notified HHS and the BA notified affected individuals and the media.

What is known

People affected1,164 (as reported to HHS)
DisclosedAug 18, 2020
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
HHS OCR breach report (archive, resolved): Arnot Health (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalAug 18, 20201,164
History of this record
  • 2026-09-25 · added · backfill source

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

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