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

Linked

41 filings

Confidence

50%

Full breach record for ARTHUR J. GALLAGHER & CO. →14 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.

J jump to incidentP pin to compareR raw source

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

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

Delaware State AGbd_d559ecce5b3385332021-08-19 · +15dVerified by operator
New Hampshire State AGbd_7a32a3fe8539d6192021-08-23 · +19dVerified by operator
Maine State AGbd_a45fd1cf66fc40d52021-09-01 · +28dVerified by operator
New Hampshire State AGbd_e05a56a536c799dd2021-09-07 · +34dVerified by operator

Show 6 more filings ↓up to 128d gap

Maine State AGbd_c453899ab04861cb2021-09-08 · +35dVerified by operator
Maine State AGbd_29bb498af183cd332021-09-13 · +40dVerified by operator
Maine State AGbd_d79b29bc558a3c712021-09-29 · +56dVerified by operator
New Hampshire State AGbd_544b44357c05bc6c2021-10-04 · +61dVerified by operator
Maine State AGbd_2831d3281e5d09eb2021-12-06 · +124dCandidate
New Hampshire State AGbd_0995d36ed3507f492021-12-10 · +128dVerified

Showing first 10 of 40 linked disclosures.

Name: ARTHUR J. GALLAGHER & CO.
norm: arthur j gallagher

Name: ARTHUR J. GALLAGHER & CO.
norm: arthur j gallagher

Discovered: Jun 23, 2021
Breach occurred: Jun 3, 2020
Undetected for: 385 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 5, 2021
Affected individuals: 6,823state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 24 months of identity theft protection services from Kroll.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: ME AG >30d · 42d
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 23, 2021
→ Filed with AG: Aug 4, 2021
42d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 23, 2021 → Filed with AG: Aug 4, 2021	42d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 3 states

View merged incident ↗

Maine State AGAug 4 · first · this page

Delaware State AG+15d

New Hampshire State AG+19d

Maine State AG+28d

New Hampshire State AG+34d

Maine State AG+35d

Maine State AG+40d

Maine State AG+56d

New Hampshire State AG+61d

Maine State AG+124d

New Hampshire State AG+128d

Pattern: first filing Aug 4 (ME), last Dec 10 (NH) — a 128-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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/9f77445a-58f7-40fd-b92a-1b86c369837c.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 4, 2021
Raw hash: 98fb5963fa79428034a56aeefac5bb68394ae9d5751842bd27d9e8fa6fe4a296

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityARTHUR J. GALLAGHER & CO.

Victim entityARTHUR J. GALLAGHER & CO.

Incidentdiscovered Jun 23, 2021

Stated responseOffered 24 months of identity theft protection services from Kroll.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov