HackingProfessional ServicesSupply Chain (3P Vendor)Customer Data InvolvedData ExfiltratedIdentity (basic)Government IDHighContained

M. Arthur Gensler Jr. & Associates, Inc.

bd_f7fd0d0d98414d29 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 23, 2023

Filed

Aug 17, 2023

To disclose

8 weeks

Affected · nationwide

4,4571 in this filing

Linked

6 filings

Confidence

63%

Full breach record for M. Arthur Gensler Jr. & Associates, Inc. →

M. Arthur Gensler, Jr. & Associates, Inc. reported a third-party data breach that occurred from May 15, 2023, to May 31, 2023. The incident was discovered on June 23, 2023, and involved the acquisition of names and Social Security numbers. The company notified affected individuals on August 9, 2023, and offered two years of credit monitoring and identity restoration services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 23, 2023 → Filed with AG Aug 17, 202355d ⏱ ME AG >30d8 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 · 39 days

discovery → filing · 8 weeks / 55 days

May 15, 2023

Begins

Jun 23, 2023

Discovered

Aug 17, 2023

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_2d48359ec90220722023-08-09 · +8dCandidate
Massachusetts State AGbd_52db0b6ecd09f1572023-08-09 · +8dVerified
Indiana State AGbd_b9b8df7423eb405e2023-08-09 · +8dVerified
New Hampshire State AGbd_e71a88311b2e22202023-07-25 · +23dVerified

Show 1 more filing ↓up to 41d gap

Vermont State AGbd_904ab57c2f95240f2023-07-07 · +41dVerified

Name: M. Arthur Gensler Jr. & Associates, Inc.
norm: m arthur gensler jr associates

Name: M. Arthur Gensler Jr. & Associates, Inc.
norm: m arthur gensler jr associates

Discovered: Jun 23, 2023
Breach occurred: May 15, 2023 – May 31, 2023
Undetected for: 39 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 9, 2023
Affected individuals: 4,457state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: Partner

During the incident: Offered two-years of credit monitoring, fraud consultation and identity theft restoration, through Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(55 days from discovery to filing)
Compliance flags: ME AG >30d · 55d
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, 2023
→ Filed with AG: Aug 17, 2023
55d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 23, 2023 → Filed with AG: Aug 17, 2023	55d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Vermont State AGJul 7 · first

New Hampshire State AG+18d

California State AG+33d

Massachusetts State AG+33d

Indiana State AG+33d

Maine State AG+41d · this page

Pattern: first filing Jul 7 (VT), last Aug 17 (ME) — a 41-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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-a1252b4f8318/2e534009-1db5-498b-a569-d43370e80a0a.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 17, 2023
Raw hash: 2c28a0a01fac59fb14bdd1a4b27a1b0715abbd131491f9e48a822cadca46dc8a

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityM. Arthur Gensler Jr. & Associates, Inc.

Victim entityM. Arthur Gensler Jr. & Associates, Inc.

Incidentdiscovered Jun 23, 2023

Stated responseOffered two-years of credit monitoring, fraud consultation and identity theft restoration, through Experian IdentityWorks

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov