Wolverine Solutions Group
Disclosed Dec 28, 20187 years ago1,024,731 affectedConfirmed
The business associate (BA), Wolverine Solutions Group, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 1,024,731 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, health insurance information, claims information, diagnoses, lab results, and medications. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA offered complimentary credit monitoring services to affected individuals, and implemented additional administrative, technical and security safeguards.
What is known
| People affected | 1,024,731 (as reported to HHS) |
|---|---|
| Disclosed | Dec 28, 2018 |
| Happened | Sep 23, 2018 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Wolverine Solutions Groupoag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Wolverine Solutions Group (Business Associate, MI)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Dec 28, 2018 | |
| HHS archivetotal | Dec 28, 2018 | 1,024,731 |
| California AGresidents of CA | Mar 25, 2019 |
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: empty to hhs · backfill source
- 2026-09-25 · records: empty to 1024731 · backfill source
- 2026-09-25 · summary: empty to The business associate (BA), Wolverine Solutions Group, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 1,024,731 individuals. The PHI involved included names, addresses, dates of b · backfill source
- 2026-09-25 · disclosed: 2019-03-25 to 2018-12-28 · 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.