Seneca Family of Agencies
Disclosed Oct 26, 20214 years ago27,309 affectedConfirmed
The covered entity (CE), Seneca Family of Agencies, experienced a cyber-attack affecting the protected health information (PHI) of 1,528 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, phone numbers, email addresses, medical record numbers, diagnoses, health insurance information, prescription information, drivers’ license/state identification numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional administrative and technical safeguards.
What is known
| People affected | 27,309 (as reported to HHS) |
|---|---|
| Disclosed | Oct 26, 2021 |
| Discovered | Aug 27, 2021 |
| Happened | Aug 25, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Seneca Family of Agenciesoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Seneca Family of Agenciesatg.wa.gov · Official notice | Official notice |
| Indiana Attorney General 2021 data breach report: Seneca Family of Agenciesin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Seneca Family of Agencies (Business Associate, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Oct 26, 2021 | |
| Indiana AGresidents of IN | Oct 26, 2021 | 23 |
| HHS archivetotal | Oct 26, 2021 | 3,900 |
| California AGresidents of CA | Nov 5, 2021 | |
| HHS archivetotal | Nov 5, 2021 | 27,309 |
| California AGresidents of CA | Nov 19, 2021 | |
| Washington AGresidents of WA | Nov 30, 2021 | 1,313 |
| California AGresidents of CA | Dec 6, 2021 | |
| California AGresidents of CA | Jan 21, 2022 | |
| HHS archivetotal | Jan 22, 2022 | 1,528 |
History of this record
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 25610 to 27309 · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Seneca Family of Agencies, experienced a cyber-attack affecting the protected health information (PHI) of 1,528 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, phone · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 25610 · backfill source
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · discovered: empty to 2021-08-27 · backfill source
- 2026-09-25 · disclosed: 2021-11-05 to 2021-10-26 · backfill source
- 2026-09-25 · disclosed: 2021-11-19 to 2021-11-05 · backfill source
- 2026-09-25 · disclosed: 2021-12-06 to 2021-11-19 · backfill source
- 2026-09-25 · disclosed: 2022-01-21 to 2021-12-06 · 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.