Every public data breach

47 disclosed this week · 26,367 on record

Mid Westchester Anesthesia Services

Disclosed Oct 24, 2022871 affectedConfirmed

Official notice

The covered entity (CE), Mid-Westchester Anesthesia Services, reported that its business associate (BA) was the victim of a ransomware attack affecting the protected health information (PHI) of 871 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, health insurance information, medications prescribed, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional technical safeguards.

What is known

People affected871 (as reported to HHS)
DisclosedOct 24, 2022
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to healthby backfillSource
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 871by backfillSource
summary2026-09-25
empty to The covered entity (CE), Mid-Westchester Anesthesia Services, reported that its business associate (BA) was the victim of a ransomware attack affecting the protected health information (PHI) of 871 individuals. The PHI involved included namby 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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