MCG Health
Disclosed Jun 10, 20224 years ago1,100,000 affectedConfirmed
What is known
| People affected | 1,100,000 (as reported by the organization) |
|---|---|
| Disclosed | Jun 10, 2022 |
| Happened | Feb 25, 2020 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: MCG Healthoag.ca.gov · Official notice | Official notice |
| Indiana Attorney General 2022 data breach report: MCG Healthin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): MCG Health (Business Associate, WA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Jun 10, 2022 | 59,598 |
| HHS archivetotal | Jun 10, 2022 | 793,283 |
| California AGresidents of CA | Jun 28, 2022 |
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 organization · backfill source
- 2026-09-25 · records: empty to 1100000 · backfill source
- 2026-09-25 · disclosed: 2022-06-28 to 2022-06-10 · backfill source
- 2026-09-25 · occurred: empty to 2020-02-25 · 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.