Mercadien PC Certified Public Accountants
Disclosed Feb 17, 20267 months ago402,741 affectedConfirmed
What is known
| People affected | 402,741 (as reported by the organization) |
|---|---|
| Disclosed | Feb 17, 2026 |
| Discovered | Nov 7, 2025 |
| Happened | Sep 17, 2025 |
| Attack | Not stated |
| Data exposed | Names, Credentials and tokens, Payment cards, Financial |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Notice letter filed with the Delaware DOJ: Mercadien PC Certified Public Accountantsattorneygeneral.delaware.gov · Official notice | Official notice |
| Texas Attorney General data security breach report BR-0004857: Mercadien PC Certified Public Accountantsoag.my.site.com · Official notice | Official notice |
| Indiana Attorney General 2026 data breach report: Mercadien PC Certified Public Accountantsin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Delaware DOJresidents of DE | Feb 17 | 1,062 |
| Indiana AGresidents of IN | Feb 17 | 69 |
| Texas AGresidents of TX | Feb 24 | 1,323 |
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 · data_types: ["names","credentials"] to ["names","credentials","payment-card","financial"] · backfill source
- 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.