Highmark Health
Disclosed Feb 10, 20233 years ago293,039 affectedConfirmed
What is known
| People affected | 293,039 (as reported by the organization) |
|---|---|
| Disclosed | Feb 10, 2023 |
| Discovered | Dec 15, 2022 |
| Happened | Dec 13, 2022 |
| Attack | Not stated |
| Data exposed | Not stated |
| Sector | Tech · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Oregon DOJ breach notice: Highmark Healthjustice.oregon.gov · Official notice | Official notice |
| Indiana Attorney General 2023 data breach report: Highmark Healthin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Feb 10, 2023 | 28,888 |
| Oregon DOJresidents of OR | Jul 7, 2023 |
History of this record
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 293039 · backfill source
- 2026-09-25 · disclosed: 2023-07-07 to 2023-02-10 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Oregon DOJ), confirmed by Oregon DOJ. Record counts are as reported. Not legal advice.