ARTHUR J. GALLAGHER & CO. — June 2020 breach

Clustered 2 filings across 2 jurisdictions · filing window Dec 6, 2021 → Dec 10, 2021. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

2 filings

States

Affected · reported

281

First → last filing

Dec 6, 2021 → Dec 10, 2021

Merge confidence

100%

incident inc_dda5ac5b5d5848e6 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 2 regulatory filings. Intrusion Jun 3, 2020–Sep 26, 2020, discovered Sep 26, 2020 — the first regulatory filing landed 436 days later (flagged late). 281 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

436days

Discovered → first regulatory filing

Discovery variance

270days

Range of discovered_at dates across filings

Filing span

4days

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 clocksMaine✗ ME AG >90d · 166dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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