Delta Dental of Illinois
Disclosed Apr 16, 20197 years ago24,425 affectedConfirmed
This case has been consolidated into an existing compliance review involving the same breach incident.
What is known
| People affected | 24,425 (as reported by the organization) |
|---|---|
| Disclosed | Apr 16, 2019 |
| Discovered | Oct 17, 2019 |
| Happened | Aug 3, 2019 |
| Attack | Hacking |
| Data exposed | Names, Social Security numbers, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Maine Attorney General breach notice archive: Delta Dental of Illinoismaine.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Delta Dental of Illinois (Health Plan, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Maine AGresidents of ME | Apr 16, 2019 | 7 |
| HHS archivetotal | Apr 16, 2019 | 5,092 |
| HHS archivetotal | Apr 17, 2019 | 4,216 |
| HHS archivetotal | Oct 25, 2019 | 15,466 |
| Maine AGresidents of ME | Oct 28, 2019 | 2 |
History of this record
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: ["names","ssn"] to ["names","ssn","health"] · backfill source
- 2026-09-25 · summary: empty to This case has been consolidated into an existing compliance review involving the same breach incident. · backfill source
- 2026-09-25 · disclosed: 2019-10-28 to 2019-04-16 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Maine AG), confirmed by Maine AG. Record counts are as reported. Not legal advice.