Palo Verde Hospital
Disclosed Apr 24, 20251 year ago42,962 affectedConfirmed
Palo Verde Hospital, a covered entity (CE), reported that it experienced a ransomware attack affecting the electronic protected health information (ePHI) of 42,962 individuals. The ePHI involved included individuals’ addresses, ZIP codes, dates of birth, names, Social Security Numbers, other financial information, diagnoses, conditions, lab results, medications, and other treatment information. The CE notified individuals, the media, and HHS. In response to the breach, the CE implemented several corrective actions, including resetting all passwords, multifactor authentication, and additional technical safeguards.
What is known
| People affected | 42,962 (as reported to HHS) |
|---|---|
| Disclosed | Apr 24, 2025 |
| Happened | Mar 3, 2025 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Palo Verde Hospitaloag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Palo Verde Hospital (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Apr 24, 2025 | |
| HHS archivetotal | Apr 24, 2025 | 42,962 |
| California AGresidents of CA | Mar 2 |
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 42962 · backfill source
- 2026-09-25 · summary: empty to Palo Verde Hospital, a covered entity (CE), reported that it experienced a ransomware attack affecting the electronic protected health information (ePHI) of 42,962 individuals. The ePHI involved included individuals’ addresses, ZIP codes, d · backfill source
- 2026-09-25 · disclosed: 2026-03-02 to 2025-04-24 · 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.