CalViva Health
Disclosed Mar 25, 20215 years ago15,287 affectedConfirmed
The covered entity (CE), CalViva Health, reported that a third-party vendor of its business associate experienced a cyberattack that affected the electronic protected health information (ePHI) of 15,287 individuals. The ePHI involved included names, addresses, dates of birth, health insurance information, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit and identity protection services.
What is known
| People affected | 15,287 (as reported to HHS) |
|---|---|
| Disclosed | Mar 25, 2021 |
| Happened | Jan 7, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: CalViva Healthoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): CalViva Health (Health Plan, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Mar 25, 2021 | |
| HHS archivetotal | Mar 25, 2021 | 15,287 |
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 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 15287 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), CalViva Health, reported that a third-party vendor of its business associate experienced a cyberattack that affected the electronic protected health information (ePHI) of 15,287 individuals. The ePHI involved includ · 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.