Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group
Disclosed Jul 15, 20242 years ago3,435 affectedConfirmed
The covered entity (CE), Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group, reported that an employee impermissibly accessed the medical records of 3,435 individuals. The protected health information (PHI) involved included names, dates of birth, addresses, email addresses, clinical information, phone numbers, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE revised its policies and procedures and sanctioned the workforce member involved.
What is known
| People affected | 3,435 (as reported to HHS) |
|---|---|
| Disclosed | Jul 15, 2024 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Kaiser Foundation Hospitals, Northern California and The Permanente Medical Groupoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jul 15, 2024 | |
| HHS archivetotal | Jul 15, 2024 | 3,435 |
History of this record
- 2026-09-25 · attack: unknown to insider · 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 3435 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Kaiser Foundation Hospitals, Northern California and The Permanente Medical Group, reported that an employee impermissibly accessed the medical records of 3,435 individuals. The protected health information (PHI) in · 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.
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