DisclosureLens
UnknownMedium

THOMPSON COBURN LLP

bd_4e74aaeebe6a0954 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 30, 2025

To disclose

—

Affected · nationwide

67,0261,557 in this filing

Linked

13 filings

Confidence

95%
Full breach record for THOMPSON COBURN LLP →2 incidents on file

Thompson Coburn LLP reported a data breach to the Indiana Attorney General. The breach occurred on 2024-05-28 and was reported on 2025-04-30. 1,557 Indiana residents were affected. 67,026 individuals affected in total.

Incident timeline

May 28, 2024

Begins

Apr 30, 2025

Filed

This filing is one of 13 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 120d gap

Showing first 10 of 12 linked disclosures.

Filing propagation · 11 filings · 10 states

View merged incident ↗

Pattern: first filing Dec 31 (NH), last May 1 (IL) — a 121-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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.