Hennessy Advisors
Disclosed Feb 23, 20267 months ago12,643 affectedConfirmed
What is known
| People affected | 12,643 (as reported by the organization) |
|---|---|
| Disclosed | Feb 23, 2026 |
| Discovered | Feb 5, 2026 |
| Happened | Mar 30, 2025 |
| Attack | Not stated |
| Data exposed | Social Security numbers, Payment cards, Financial, Names |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Hennessy Advisorsoag.ca.gov · Official notice | Official notice |
| Texas Attorney General data security breach report BR-0004860: Hennessy Advisorsoag.my.site.com · Official notice | Official notice |
| Vermont Attorney General: 2026-02-23 Hennessy Advisors Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| Indiana Attorney General 2026 data breach report: Hennessy Advisorsin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Vermont AGresidents of VT | Feb 23 | |
| Indiana AGresidents of IN | Feb 23 | 147 |
| California AGresidents of CA | Feb 24 | |
| Texas AGresidents of TX | Feb 25 | 729 |
History of this record
- 2026-09-25 · source: empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-7_2026.pdf · backfill source
- 2026-09-25 · disclosed: 2026-02-24 to 2026-02-23 · backfill source
- 2026-09-25 · data_types: [] to ["ssn","payment-card","financial","names"] · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 12643 · backfill source
- 2026-09-25 · discovered: empty to 2026-02-05 · 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.