AssetMark
Disclosed Jun 11, 20263 months ago570,000 affectedConfirmed
What is known
| People affected | 570,000 (as reported by the organization) |
|---|---|
| Disclosed | Jun 11, 2026 |
| Discovered | May 15, 2026 |
| Happened | May 15, 2026 |
| Attack | Hacking |
| Data exposed | Names, Social Security numbers, Government IDs |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: AssetMarkoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: AssetMarkatg.wa.gov · Official notice | Official notice |
| Notice letter filed with the Delaware DOJ: AssetMarkattorneygeneral.delaware.gov · Official notice | Official notice |
| Oregon DOJ breach notice: AssetMarkjustice.oregon.gov · Official notice | Official notice |
| Texas Attorney General data security breach report BR-0005113: AssetMarkoag.my.site.com · Official notice | Official notice |
| Vermont Attorney General breach report: AssetMarkago.vermont.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Washington AGresidents of WA | Jun 11 | 15,468 |
| Delaware DOJresidents of DE | Jun 11 | 2,663 |
| Oregon DOJresidents of OR | Jun 11 | 570,000 |
| Vermont AGresidents of VT | Jun 11 | 1,643 |
| Texas AGresidents of TX | Jun 18 | 29,802 |
| California AGresidents of CA | Jun 26 |
History of this record
- 2026-09-25 · data_types: ["names","ssn"] to ["names","ssn","government-id"] · backfill source
- 2026-09-25 · source: empty to https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage · backfill source
- 2026-09-25 · data_types: [] to ["names","ssn"] · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 570000 · backfill source
- 2026-09-25 · sector: other to finance · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · disclosed: 2026-06-26 to 2026-06-11 · backfill source
- 2026-09-25 · discovered: empty to 2026-05-15 · 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.