Arbor Associates
Disclosed Jul 3, 20251 year ago17,040 affectedConfirmed
What is known
| People affected | 17,040 (as reported to HHS) |
|---|---|
| Disclosed | Jul 3, 2025 |
| Discovered | Apr 17, 2025 |
| Happened | Apr 15, 2025 |
| Attack | Ransomware |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Arbor Associatesoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Arbor Associatesatg.wa.gov · Official notice | Official notice |
| Oregon DOJ breach notice: Arbor Associatesjustice.oregon.gov · Official notice | Official notice |
| HHS OCR breach report: Arbor Associates (Business Associate, MI)ocrportal.hhs.gov · Official notice | Official notice |
| Vermont Attorney General: 2025-07-17 Arbor Associates Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jul 3, 2025 | |
| Washington AGresidents of WA | Jul 3, 2025 | 9,005 |
| HHS OCRtotal | Jul 3, 2025 | 17,040 |
| Oregon DOJresidents of OR | Jul 17, 2025 | 46,081 |
| Vermont AGresidents of VT | Jul 17, 2025 | |
| California AGresidents of CA | Aug 8, 2025 |
History of this record
- 2026-09-25 · source: empty to https://ago.vermont.gov/document/2025-07-17-arbor-associates-data-breach-notice-consumers · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 17040 · backfill source
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to ransomware · backfill source
- 2026-09-25 · discovered: empty to 2025-04-17 · backfill source
- 2026-09-25 · disclosed: 2025-08-08 to 2025-07-03 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.