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47 disclosed this week · 26,367 on record

Onondaga County Chapter, NYSARC

Disclosed Nov 19, 20218,566 affectedConfirmed

Official notice

The covered entity (CE), Onondaga County Chapter NYSARC, Inc., reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 5,425 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, diagnoses, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional technical safeguards.

What is known

People affected8,566 (as reported by the organization)
DisclosedNov 19, 2021
HappenedAug 15, 2021
AttackHacking
Data exposedNamesHealth
SectorGovernment · 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
disclosed2026-09-25
2021-11-30 to 2021-11-19by backfillSource
summary2026-09-25
empty to The covered entity (CE), Onondaga County Chapter NYSARC, Inc., reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 5,425 individuals. The PHI involved included names, dates of birth, adby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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