Med Atlantic
Disclosed Nov 21, 202510 months ago410,326 affectedConfirmed
The covered entity (CE), Med Atlantic, Inc., reported that it was the subject of a hacking attack that affected the protected health information (PHI) of 410,326 individuals. The PHI involved included clinical, demographic, and financial information. The CE notified HHS and the affected individual. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and implemented additional administrative, technical, and security safeguards to better protect its PHI.
What is known
| People affected | 410,326 (as reported to HHS) |
|---|---|
| Disclosed | Nov 21, 2025 |
| Happened | Oct 27, 2025 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2026-01-09 Med Atlantic Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2026 data breach report: Med Atlanticin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Med Atlantic (Business Associate, VA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 21, 2025 | 410,326 |
| Indiana AGresidents of IN | Dec 26, 2025 | 1 |
| Vermont AGresidents of VT | Jan 9 |
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: organization to hhs · backfill source
- 2026-09-25 · records: 1893 to 410326 · backfill source
- 2026-09-25 · disclosed: 2025-12-26 to 2025-11-21 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Med Atlantic, Inc., reported that it was the subject of a hacking attack that affected the protected health information (PHI) of 410,326 individuals. The PHI involved included clinical, demographic, and financial in · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 1893 · backfill source
- 2026-09-25 · disclosed: 2026-01-09 to 2025-12-26 · backfill source
- 2026-09-25 · occurred: empty to 2025-10-27 · 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.