HackingFinancial accountFinancial credentialsHighContained

ARTHUR J. GALLAGHER & CO.

bd_9856f23667c3a382 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 23, 2021

Filed

Aug 12, 2021

To disclose

7 weeks

Affected · nationwide

584,048738 in this filing

Linked

41 filings

Confidence

50%

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

Arthur J. Gallagher & Co. experienced an external system breach on June 3, 2020, which was discovered on June 23, 2021. The breach affected 738 Maine residents, and the compromised information included financial account numbers or credit/debit card numbers along with their security codes or PINs. The company notified the affected individuals on July 29, 2021, and offered 24 months of identity theft protection services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 23, 2021 → Filed with AG Aug 12, 202150d ⏱ ME AG >30d7 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 · 7 weeks / 50 days

Jun 3, 2020

Begins

Jun 23, 2021

Discovered

Aug 12, 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 · +7dVerified by operator
New Hampshire State AGbd_7a32a3fe8539d6192021-08-23 · +11dVerified by operator
Maine State AGbd_a45fd1cf66fc40d52021-09-01 · +20dVerified by operator
New Hampshire State AGbd_e05a56a536c799dd2021-09-07 · +26dVerified by operator

Show 6 more filings ↓up to 120d gap

Maine State AGbd_c453899ab04861cb2021-09-08 · +27dVerified by operator
Maine State AGbd_29bb498af183cd332021-09-13 · +32dVerified by operator
Maine State AGbd_d79b29bc558a3c712021-09-29 · +48dVerified by operator
New Hampshire State AGbd_544b44357c05bc6c2021-10-04 · +53dVerified by operator
Maine State AGbd_2831d3281e5d09eb2021-12-06 · +116dCandidate
New Hampshire State AGbd_0995d36ed3507f492021-12-10 · +120dVerified

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: Jul 29, 2021
Affected individuals: 584,048state + nationwide
Data types: Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Unauthorized Access

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

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: ME AG >30d · 50d
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 12, 2021
50d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 23, 2021 → Filed with AG: Aug 12, 2021	50d	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 12 · first · this page

Delaware State AG+7d

New Hampshire State AG+11d

Maine State AG+20d

New Hampshire State AG+26d

Maine State AG+27d

Maine State AG+32d

Maine State AG+48d

New Hampshire State AG+53d

Maine State AG+116d

New Hampshire State AG+120d

Pattern: first filing Aug 12 (ME), last Dec 10 (NH) — a 120-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-a1252b4f8318/383b9aa0-a6f4-493b-b68c-ca398c4603f1.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 12, 2021
Raw hash: 7b5b173b5d3c3abd0c50168fd904174a4ac7ea87be471b3f4a1ce12a3c6f1952

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 through Kroll.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov