Sierra Club
Disclosed Oct 4, 20232 years ago813 affectedConfirmed
What is known
| People affected | 813 (as reported by the organization) |
|---|---|
| Disclosed | Oct 4, 2023 |
| Happened | Feb 3, 2023 |
| Attack | Not stated |
| Data exposed | Not stated |
| Sector | Nonprofit · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2023-10-05 Sierra Club Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2023 data breach report: Sierra Clubin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Oct 4, 2023 | 8 |
| Vermont AGresidents of VT | Oct 5, 2023 |
History of this record
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 813 · backfill source
- 2026-09-25 · disclosed: 2023-10-05 to 2023-10-04 · backfill source
- 2026-09-25 · occurred: empty to 2023-02-03 · 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.