Gryphon Healthcare
Disclosed Oct 11, 20241 year ago393,358 affectedConfirmed
The business associate (BA), Gryphon Healthcare, LLC, reported that one of its partners experienced a ransomware incident that affected the protected health information (PHI) of 393,358 individuals. The PHI involved included clinical and demographic information. The BA notified HHS, affected individuals, and posted substitute notice on its website. In response to the breach, the BA provided complimentary credit monitoring services to the affected individuals, implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect PHI.
What is known
| People affected | 393,358 (as reported to HHS) |
|---|---|
| Disclosed | Oct 11, 2024 |
| Happened | Jul 6, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Gryphon Healthcareoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Gryphon Healthcare (Business Associate, TX)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Oct 11, 2024 | |
| HHS archivetotal | Oct 11, 2024 | 393,358 |
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 393358 · backfill source
- 2026-09-25 · summary: empty to The business associate (BA), Gryphon Healthcare, LLC, reported that one of its partners experienced a ransomware incident that affected the protected health information (PHI) of 393,358 individuals. The PHI involved included clinical and de · 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.