DisclosureLens
Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedIdentity (basic)LowContained

Markel Insurance Group, LLC

bd_8c9ddf184adb79d0 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 18, 2026

Filed

Jul 2, 2026

To disclose

15 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

64%
Full breach record for Markel Insurance Group, LLC →

Markel Insurance reported that an unauthorized actor used social engineering to deceive two employees, gaining access to a limited portion of systems between March 17-18, 2026. The activity was quickly detected and blocked. Investigation determined that names and other personal information were obtained. The company is offering two years of complimentary credit monitoring and identity restoration services through TransUnion.

California clockDiscovered Mar 18, 2026 → Notified Jul 2, 2026106d ✗ CA 30-day late15 weeks discovery → filing

Incident timeline

undetected · 1 days
discovery → filing · 15 weeks / 106 days

Mar 17, 2026

Begins

Mar 18, 2026

Discovered

Jul 2, 2026

Filed

vs. sector median

+7 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Nebraska State AGJul 2 · first
California State AGJul 2 · first · this page
Texas State AG+5d

Pattern: first filing Jul 2 (NE), last Jul 7 (TX) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.