Comstar
Disclosed May 25, 20224 years ago585,621 affectedConfirmed
The covered entity (CE), Comstar, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 585,621 individuals. The PHI involved clinical, demographic, and financial information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect its PHI.
What is known
| People affected | 585,621 (as reported to HHS) |
|---|---|
| Disclosed | May 25, 2022 |
| Happened | Mar 19, 2022 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Comstaroag.ca.gov · Official notice | Official notice |
| Indiana Attorney General 2022 data breach report: Comstarin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Comstar (Business Associate, MA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | May 25, 2022 | 164 |
| HHS archivetotal | May 26, 2022 | 585,621 |
| California AGresidents of CA | Jun 14, 2022 | |
| California AGresidents of CA | Jun 30, 2022 | |
| California AGresidents of CA | Aug 22, 2022 |
History of this record
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 164414 to 585621 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Comstar, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 585,621 individuals. The PHI involved clinical, demographic, and financial information. The CE · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 164414 · backfill source
- 2026-09-25 · disclosed: 2022-06-14 to 2022-05-25 · backfill source
- 2026-09-25 · disclosed: 2022-06-30 to 2022-06-14 · backfill source
- 2026-09-25 · disclosed: 2022-08-22 to 2022-06-30 · 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.