Marshall & Melhorn
Disclosed Jun 7, 20233 years ago27,271 affectedConfirmed
Marshall and Melhorn, a business associate (BA), reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,412 individuals. The PHI involved included names, addresses, dates of birth, Social Security and drivers’ license numbers, and financial and treatment information. The BA notified HHS, affected individuals, the media and posted substitute notice on its website. In response to the breach, the BA offered free credit monitoring services and implemented additional administrative, technical, and security safeguards. OCR provided technical assistance to the BA regarding the HIPAA Security Rule.
What is known
| People affected | 27,271 (as reported by the organization) |
|---|---|
| Disclosed | Jun 7, 2023 |
| Happened | Aug 20, 2021 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2023-06-07 Marshall & Melhorn Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2023 data breach report: Marshall & Melhornin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Marshall & Melhorn (Business Associate, OH)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Vermont AGresidents of VT | Jun 7, 2023 | |
| Indiana AGresidents of IN | Jun 7, 2023 | 647 |
| HHS archivetotal | Jun 7, 2023 | 9,412 |
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 · summary: empty to Marshall and Melhorn, a business associate (BA), reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,412 individuals. The PHI involved included names, addresses, dates of birth, Socia · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 27271 · backfill source
- 2026-09-25 · occurred: empty to 2021-08-20 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.