Stockton Cardiology Medical Group
Disclosed Mar 18, 20266 months ago90,000 affectedConfirmed
What is known
| People affected | 90,000 (as reported to HHS) |
|---|---|
| Disclosed | Mar 18, 2026 |
| Happened | Dec 15, 2025 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Stockton Cardiology Medical Groupoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report: Stockton Cardiology Medical Group (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS OCRtotal | Mar 18 | 90,000 |
| California AGresidents of CA | Mar 20 |
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 90000 · backfill source
- 2026-09-25 · disclosed: 2026-03-20 to 2026-03-18 · 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.