HackingRetail & ConsumerRetailCustomer Data InvolvedIdentity (basic)MediumContained

Branhaven Motors Inc.

bd_baa3b6408abaf6fa · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 30, 2025

Filed

May 20, 2025

To disclose

20 days

Affected · nationwide

11,7744 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Branhaven Motors Inc. →

Branhaven Motors Inc. reported an external system breach (hacking) occurring September 9-10, 2024, discovered April 30, 2025. The incident affected 11,774 individuals nationwide, including 4 Maine residents. The unauthorized actor acquired full names. The company engaged external cybersecurity professionals for forensic investigation and sent written notifications on May 20, 2025.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 30, 2025 → Filed with AG May 20, 202520d ✓ ME AG ≤30d20 days discovery → filing

Incident timeline

undetected · 233 days

discovery → filing · 20 days

Sep 9, 2024

Begins

Apr 30, 2025

Discovered

May 20, 2025

Filed

vs. sector median

5 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_0ede7632c395850c2025-05-20Verified
Nebraska State AGbd_8b32bb9485d1d23d2025-05-20Verified
Vermont State AGbd_c669161549b066a52025-05-20Verified
New Hampshire State AGbd_82a50bc504bc42b92025-05-27 · +7dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins
Industry: Legal Services

Name: Branhaven Motors Inc.
norm: branhaven motors
Industry: Automotive Retail
Industry: Retail & Consumerllm

Discovered: Apr 30, 2025
Breach occurred: Sep 9, 2024 – Sep 10, 2024
Undetected for: 233 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 20, 2025
Affected individuals: 11,774state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Commenced a prompt and thorough investigation with external cybersecurity professionals
Conducted an extensive forensic investigation
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 days(20 days from discovery to filing)
Compliance flags: ME AG ≤30d · 20d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Apr 30, 2025
→ Filed with AG: May 20, 2025
20d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 30, 2025 → Filed with AG: May 20, 2025	20d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGMay 20 · first

Nebraska State AGMay 20 · first

Vermont State AGMay 20 · first

Maine State AGMay 20 · first · this page

New Hampshire State AG+7d

Pattern: first filing May 20 (MA), last May 27 (NH) — a 7-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-a1252b4f8318/25a92876-781e-44d3-b07e-a1bae2b60824.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 20, 2025
Raw hash: 37a3c4c22b2366117f2035fb40f853d36ace2ef797df2930feac6978ae643700

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityBranhaven Motors Inc.

Incidentdiscovered Apr 30, 2025

Stated responseCommenced a prompt and thorough investigation with external cybersecurity professionals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov