HackingCustomer Data InvolvedGovernment IDCritical

ARTHUR J. GALLAGHER & CO.

bd_c013ccabdcc25549 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 23, 2021

Filed

Jul 16, 2021

To disclose

23 days

Affected · nationwide

212,721293 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 that occurred on June 3, 2020, and was discovered on June 23, 2021. The breach compromised names and Social Security Numbers of 293 Maine residents. Notification to affected individuals was sent on July 16, 2021, and 24 months of identity theft protection services were offered through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 23, 2021 → Filed with AG Jul 16, 202123d ✓ ME AG ≤30d23 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 · 385 days

discovery → filing · 23 days

Jun 3, 2020

Begins

Jun 23, 2021

Discovered

Jul 16, 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 · +34dVerified by operator
New Hampshire State AGbd_7a32a3fe8539d6192021-08-23 · +38dVerified by operator
Maine State AGbd_a45fd1cf66fc40d52021-09-01 · +47dVerified by operator
New Hampshire State AGbd_e05a56a536c799dd2021-09-07 · +53dVerified by operator

Show 6 more filings ↓up to 147d gap

Maine State AGbd_c453899ab04861cb2021-09-08 · +54dVerified by operator
Maine State AGbd_29bb498af183cd332021-09-13 · +59dVerified by operator
Maine State AGbd_d79b29bc558a3c712021-09-29 · +75dVerified by operator
New Hampshire State AGbd_544b44357c05bc6c2021-10-04 · +80dVerified by operator
Maine State AGbd_2831d3281e5d09eb2021-12-06 · +143dCandidate
New Hampshire State AGbd_0995d36ed3507f492021-12-10 · +147dVerified

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 16, 2021
Affected individuals: 212,721state + nationwide
Data types: Government ID
Data elements: Social Security 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: 23 days(23 days from discovery to filing)
Compliance flags: ME AG ≤30d · 23d
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: Jul 16, 2021
23d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 23, 2021 → Filed with AG: Jul 16, 2021	23d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 3 states

View merged incident ↗

Maine State AGJul 16 · first · this page

Delaware State AG+34d

New Hampshire State AG+38d

Maine State AG+47d

New Hampshire State AG+53d

Maine State AG+54d

Maine State AG+59d

Maine State AG+75d

New Hampshire State AG+80d

Maine State AG+143d

New Hampshire State AG+147d

Pattern: first filing Jul 16 (ME), last Dec 10 (NH) — a 147-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-a1252b4f8318/395fff18-50c3-4e1e-8775-5f23573bd981.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2021
Raw hash: c76c9cd88c273eefa0c57263d037a7242fd63acf274a3a601676f80d30d93f47

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