Dental Care Alliance
Disclosed Oct 28, 20205 years ago1,723,375 affectedConfirmed
The business associate (BA), Dental Care Alliance, LLC, reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 1,723,375 individuals. The ePHI involved included names, addresses, clinical information, financial information, and other treatment information. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative and technical safeguards and retrained its employees.
What is known
| People affected | 1,723,375 (as reported to HHS) |
|---|---|
| Disclosed | Oct 28, 2020 |
| Discovered | Oct 11, 2020 |
| Happened | Sep 18, 2020 |
| Attack | Hacking |
| Data exposed | Names, Health, Insurance, Credentials and tokens |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Notice letter filed with the Delaware DOJ: Dental Care Allianceattorneygeneral.delaware.gov · Official notice | Official notice |
| Indiana Attorney General 2020 data breach report: Dental Care Alliancein.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Dental Care Alliance (Business Associate, FL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Oct 28, 2020 | 37,040 |
| Delaware DOJresidents of DE | Dec 7, 2020 | 6,622 |
| HHS archivetotal | Dec 8, 2020 | 1,723,375 |
History of this record
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · records_basis: organization to hhs · backfill source
- 2026-09-25 · records: 1004304 to 1723375 · backfill source
- 2026-09-25 · summary: empty to The business associate (BA), Dental Care Alliance, LLC, reported that it was the victim of a ransomware attack that affected the electronic protected health information (ePHI) of 1,723,375 individuals. The ePHI involved included names, addr · backfill source
- 2026-09-25 · disclosed: 2020-12-07 to 2020-10-28 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Delaware DOJ), confirmed by Delaware DOJ. Record counts are as reported. Not legal advice.