Sea Mar Community Health Centers
Disclosed Oct 29, 20214 years ago688,000 affectedConfirmed
Sea Mar Community Health Centers, the covered entity (CE), experienced a breach that compromised the protected health information (PHI) of 688,000 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, identification numbers, X-ray images, and claims and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE implemented additional administrative and technical safeguards to better protect PHI.
What is known
| People affected | 688,000 (as reported to HHS) |
|---|---|
| Disclosed | Oct 29, 2021 |
| Discovered | Jun 24, 2021 |
| Happened | Dec 12, 2020 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Sea Mar Community Health Centersoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Sea Mar Community Health Centersatg.wa.gov · Official notice | Official notice |
| Oregon DOJ breach notice: Sea Mar Community Health Centersjustice.oregon.gov · Official notice | Official notice |
| Indiana Attorney General 2021 data breach report: Sea Mar Community Health Centersin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Sea Mar Community Health Centers (Healthcare Provider, WA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Oct 29, 2021 | 214 |
| HHS archivetotal | Oct 30, 2021 | 688,000 |
| Oregon DOJresidents of OR | Nov 1, 2021 | 651,500 |
| California AGresidents of CA | Nov 5, 2021 | |
| Washington AGresidents of WA | Nov 15, 2021 | 628,569 |
| California AGresidents of CA | Apr 1, 2022 |
History of this record
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 651500 to 688000 · backfill source
- 2026-09-25 · summary: empty to Sea Mar Community Health Centers, the covered entity (CE), experienced a breach that compromised the protected health information (PHI) of 688,000 individuals. The PHI involved included names, addresses, dates of birth, Social Security numb · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 651500 · backfill source
- 2026-09-25 · disclosed: 2021-11-01 to 2021-10-29 · backfill source
- 2026-09-25 · disclosed: 2021-11-05 to 2021-11-01 · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · discovered: empty to 2021-06-24 · backfill source
- 2026-09-25 · disclosed: 2022-04-01 to 2021-11-05 · 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.