DisclosureLens
HackingFinancial ServicesProfessional ServicesFinanceDelayed DiscoveryCustomer Data InvolvedIdentity (basic)Financial accountFinancial credentialsMedium

ARTHUR J. GALLAGHER & CO.

bd_ca2b2a0b91ddd6d8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 23, 2021

Filed

Jun 30, 2021

To disclose

7 days

Affected · nationwide

7,37612 in this filing

Linked

41 filings

Confidence

63%
Full breach record for ARTHUR J. GALLAGHER & CO. →14 incidents on file

Arthur J. Gallagher & Co. experienced an external system breach in July 2020, which was discovered almost a year later in June 2021. The incident affected 7,376 individuals, compromising names and financial account numbers with their associated security codes or PINs. The company notified affected individuals in writing and offered 24 months of identity theft protection services through Kroll.

Maine clockDiscovered Jun 23, 2021 → Filed with AG Jun 30, 20217d ✓ ME AG ≤30d7 days discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 356 days
discovery → filing · 7 days

Jul 2, 2020

Begins

Jun 23, 2021

Discovered

Jun 30, 2021

Filed

vs. sector median

7 wks faster

This filing is one of 41 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 163d gap

Showing first 10 of 40 linked disclosures.

Filing propagation · 11 filings · 3 states

View merged incident ↗

Pattern: first filing Jun 30 (ME), last Dec 10 (NH) — a 163-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 40 — 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.