Jefferson Dental Center
Disclosed Nov 18, 20241 year ago12,340 affectedConfirmed
The covered entity (CE), Jefferson Dental Center, Inc., reported that it was the subject of a ransomware incident that affected the protected health information (PHI) of 12,340 individuals. The PHI involved included treatment information. The CE notified HHS, the affected individuals, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect PHI.
What is known
| People affected | 12,340 (as reported to HHS) |
|---|---|
| Disclosed | Nov 18, 2024 |
| Happened | Nov 14, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2024 data breach report: Jefferson Dental Centerin.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Jefferson Dental Center (Healthcare Provider, IN)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Nov 18, 2024 | 74 |
| HHS archivetotal | Nov 27, 2024 | 12,340 |
History of this record
- 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: 75 to 12340 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Jefferson Dental Center, Inc., reported that it was the subject of a ransomware incident that affected the protected health information (PHI) of 12,340 individuals. The PHI involved included treatment information. T · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.