Markel Insurance
Disclosed Jul 2, 20262 months ago4,220 affectedConfirmed
What is known
| People affected | 4,220 (as reported by the organization) |
|---|---|
| Disclosed | Jul 2, 2026 |
| Discovered | Mar 18, 2026 |
| Happened | Mar 17, 2026 |
| Attack | Not stated |
| Data exposed | Social Security numbers, Health |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Markel Insuranceoag.ca.gov · Official notice | Official notice |
| Texas Attorney General data security breach report BR-0005162: Markel Insuranceoag.my.site.com · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| California AGresidents of CA | Jul 2 | |
| Texas AGresidents of TX | Jul 7 | 268 |
History of this record
- 2026-09-25 · data_types: [] to ["ssn","health"] · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 4220 · backfill source
- 2026-09-25 · discovered: empty to 2026-03-18 · 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.