DisclosureLens
HackingCustomer Data InvolvedIdentity (basic)Government IDHighContained

ARTHUR J. GALLAGHER & CO.

bd_130207ee82f54062 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 23, 2021

Filed

Aug 4, 2021

To disclose

6 weeks

Affected · nationwide

6,8231 in this filing

Confidence

50%
Full breach record for ARTHUR J. GALLAGHER & CO. →31 incidents on file

Arthur J. Gallagher & Co. reported an external system breach (hacking) that occurred on June 3, 2020, and was discovered on June 23, 2021. The breach affected 6,823 individuals, including one resident of Maine. The compromised information included names and Social Security numbers. Affected individuals were notified on August 5, 2021, and offered 24 months of identity theft protection services from Kroll.

Maine clockDiscovered Jun 23, 2021 → Filed with AG Aug 4, 202142d ⏱ ME AG >30d6 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 · 6 weeks / 42 days

Jun 3, 2020

Begins

Jun 23, 2021

Discovered

Aug 4, 2021

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed6,823 affectedView incident

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.