Keystone Tax Services
Disclosed Aug 31, 20233 years ago3 affectedConfirmed
What is known
| People affected | 3 (as reported by the organization) |
|---|---|
| Disclosed | Aug 31, 2023 |
| Discovered | Aug 28, 2023 |
| Happened | Aug 28, 2023 |
| Attack | Not stated |
| Data exposed | Names |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Delaware DOJ breach notice: Keystone Tax Servicesattorneygeneral.delaware.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Delaware DOJresidents of DE | Aug 31, 2023 | 1 |
History of this record
- 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.