DisclosureLens
HackingData ExfiltratedDelayed DiscoveryCustomer Data InvolvedIdentity (basic)Government IDMedium

ARTHUR J. GALLAGHER & CO.

bd_2831d3281e5d09eb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 23, 2021

Filed

Dec 6, 2021

To disclose

24 weeks

Affected · nationwide

2812 in this filing

Linked

2 filings

Confidence

63%
Full breach record for ARTHUR J. GALLAGHER & CO.31 incidents on file

Arthur J. Gallagher & Co. reported a data breach resulting from an external system breach (hacking) that occurred between June 3, 2020, and September 26, 2020. The breach was discovered on June 23, 2021. The compromised information included names and Social Security numbers. The incident affected 281 individuals in total, including 2 Maine residents. Affected individuals were notified on November 30, 2021, and offered 24 months of identity theft protection services through Kroll.

Maine clockDiscovered Jun 23, 2021Filed with AG Dec 6, 2021166d ME AG >90d24 weeks 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 · 385 days
discovery → filing · 24 weeks / 166 days

Jun 3, 2020

Begins

Jun 23, 2021

Discovered

Dec 6, 2021

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Maine State AGDec 6 · first · this page

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.