Medical Review Institute of America
Disclosed Jan 7, 20224 years ago134,571 affectedConfirmed
The business associate (BA), Medical Review Institute of America, reported that it was the victim of a cyber-attack affecting the protected health information (PHI) of 2,406 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims information, diagnoses, lab results, medications, and other treatment information. The BA notified HHS and affected individuals. In response to the breach, the BA implemented additional administrative and technical safeguards and provided complimentary credit monitoring services to affected individuals. OCR provided the BA with technical assistance regarding its HIPAA Security Rule obligations.
What is known
| People affected | 134,571 (as reported by the organization) |
|---|---|
| Disclosed | Jan 7, 2022 |
| Discovered | Nov 9, 2021 |
| Happened | Nov 2, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Medical Review Institute of Americaoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Medical Review Institute of Americaatg.wa.gov · Official notice | Official notice |
| Oregon DOJ breach notice: Medical Review Institute of Americajustice.oregon.gov · Official notice | Official notice |
| Indiana Attorney General 2022 data breach report: Medical Review Institute of Americain.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Medical Review Institute of America (Business Associate, UT)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jan 7, 2022 | |
| Washington AGresidents of WA | Jan 7, 2022 | 3,225 |
| Indiana AGresidents of IN | Jan 7, 2022 | 2,590 |
| HHS archivetotal | Jan 7, 2022 | 134,571 |
| Oregon DOJresidents of OR | Jan 10, 2022 | |
| California AGresidents of CA | Jan 18, 2022 | |
| HHS archivetotal | Jan 20, 2022 | 2,406 |
| California AGresidents of CA | Feb 3, 2022 | |
| California AGresidents of CA | May 10, 2022 | |
| California AGresidents of CA | Jul 13, 2022 | |
| California AGresidents of CA | Oct 3, 2022 |
History of this record
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · summary: empty to The business associate (BA), Medical Review Institute of America, reported that it was the victim of a cyber-attack affecting the protected health information (PHI) of 2,406 individuals. The PHI involved included names, addresses, dates of · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 134571 · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · discovered: empty to 2021-11-09 · backfill source
- 2026-09-25 · disclosed: 2022-01-18 to 2022-01-07 · backfill source
- 2026-09-25 · disclosed: 2022-02-03 to 2022-01-18 · backfill source
- 2026-09-25 · disclosed: 2022-05-10 to 2022-02-03 · backfill source
- 2026-09-25 · disclosed: 2022-07-13 to 2022-05-10 · backfill source
- 2026-09-25 · disclosed: 2022-10-03 to 2022-07-13 · 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.