American Cancer Society
Disclosed Mar 1, 20197 years ago8,716 affectedConfirmed
What is known
| People affected | 8,716 (as reported by the organization) |
|---|---|
| Disclosed | Mar 1, 2019 |
| Discovered | Jan 31, 2019 |
| Happened | Jan 8, 2019 |
| Attack | Not stated |
| Data exposed | Names, Social Security numbers |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: American Cancer Societyoag.ca.gov · Official notice | Official notice |
| Indiana Attorney General 2019 data breach report: American Cancer Societyin.gov · Official notice | Official notice |
| Maine Attorney General breach notice archive: American Cancer Societymaine.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Mar 1, 2019 | |
| Indiana AGresidents of IN | Mar 1, 2019 | 115 |
| Maine AGresidents of ME | Mar 1, 2019 | 39 |
History of this record
- 2026-09-25 · data_types: [] to ["names","ssn"] · backfill source
- 2026-09-25 · discovered: empty to 2019-01-31 · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 8716 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.