✅ Official notice on file. Markel Insurance filed this data breach notice with the California Attorney General on Jul 2, 2026. Compare it with the letter you received: the official copy is linked below.
Markel Insurance reported a data breach caused by unauthorized access to its computer network. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Discovered | Jun 29, 2026 |
|---|---|
| Incident type | Network intrusion |
| Letter sent | Jul 2, 2026 |
| Reported to California AG | Jul 2, 2026 |
| Company helpline | 1-844-593-7757 |
Free credit monitoring
Markel Insurance is offering 25 months of Cyberscout (TransUnion) at no cost to people who received the letter. Enroll at bfs.cyberscout.com/activate using the activation code printed on your letter. Deadline to enroll: Oct 10, 2026.
What to do now
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Markel Insurance helpline at 1-844-593-7757 if you have questions about your letter.
Timeline
- Jun 29, 2026 — Markel Insurance discovers the incident
- Jul 2, 2026 — Notification letters sent
- Jul 2, 2026 — Breach reported to the California Attorney General
Other recent data breaches
- Citizens Bank data breach
- The Money Store data breach
- American Family Connect Insurance Company data breach
- Financial Administrative Support Services data breach
- NSE Insurance Agencies data breach
Source: notification letter and filing submitted by Markel Insurance to the California Attorney General. BreachLetter is not affiliated with Markel Insurance. Details extracted from the official letter; always follow the instructions in your own copy.