Onondaga County Chapter, NYSARC
Disclosed Nov 19, 20214 years ago8,566 affectedConfirmed
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 affected | 8,566 (as reported by the organization) |
|---|---|
| Disclosed | Nov 19, 2021 |
| Happened | Aug 15, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Government · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2021 data breach report: Onondaga County Chapter, NYSARCin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Onondaga County Chapter NYSARC (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 19, 2021 | 5,425 |
| Indiana AGresidents of IN | Nov 30, 2021 | 1 |
History of this record
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · disclosed: 2021-11-30 to 2021-11-19 · backfill source
- 2026-09-25 · summary: 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, ad · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.