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Stony Brook University Hospital

Disclosed Sep 14, 20206 years ago175,191 affectedConfirmed

Official notice

The covered entity (CE), Stony Brook University Hospital, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of approximately 175,191 individuals. The ePHI involved included names, addresses, dates of birth, clinical information, health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.

What is known

People affected175,191 (as reported to HHS)
DisclosedSep 14, 2020
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalSep 14, 2020175,191
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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