Thompson & Horton LLP — April 2024 breach

Clustered 8 filings across 8 jurisdictions · filing window Oct 29, 2025 → Oct 30, 2025 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

8 filings

States

Affected · reported

148,884

First → last dated filing

Oct 29, 2025 → Oct 30, 2025

Merge confidence

100%

incident inc_3b7c7041b03e42a7 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 8 regulatory filings. The filings describe a third-party compromise. Intrusion Apr 13, 2024–May 3, 2024, discovered May 3, 2024 — the first regulatory filing landed 544 days later (flagged late); 2 later filings were also flagged late. 148,884 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Financial account, and 2 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

544days

Discovered → first regulatory filing

Discovery variance

382days

Range of discovered_at dates across filings

Filing span

1days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksVermont✗ VT AG >45 bdayTexas✗ TX AG >30dMaine✗ ME AG >90d · 163dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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