DisclosureLens
UnknownMedium

Markel Insurance Group, LLC

bd_dbe66e9610cfb567 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Jul 2, 2026

To disclose

—

Affected · nationwide

4,22045 in this filing

Linked

4 filings

Confidence

95%
Full breach record for Markel Insurance Group, LLC →

Markel Insurance reported a data breach to the Indiana Attorney General. The breach occurred on 2026-03-17 and was reported on 2026-07-02. 45 Indiana residents were affected. 4,220 individuals affected in total.

Incident timeline

Mar 17, 2026

Begins

Jul 2, 2026

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

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

Pattern: first filing Jul 2 (CA), 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.