HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Master Millwork, LLC

bd_193b9376806b8185 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 4, 2026

Filed

Apr 1, 2026

To disclose

8 weeks

Affected

6state residents only

Linked

3 filings

Confidence

66%

Full breach record for Master Millwork, LLC →

Master Millwork, LLC notified the New Hampshire Attorney General of a data breach affecting approximately 6 NH residents. Unauthorized access occurred between Feb 1-5, 2026, discovered Feb 4, 2026. Affected data included names and Social Security numbers. Master Millwork reset passwords, conducted an investigation, and provided credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 8 weeks / 56 days

Feb 1, 2026

Begins

Feb 4, 2026

Discovered

Apr 1, 2026

Filed

vs. sector median

+1 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_10079a4e1ad3ac142026-04-01Candidate
Massachusetts State AGbd_8bb396cdb67e7adf2026-04-02 · +1dVerified

Name: Cipriani
norm: cipriani
Domain: cipriani.com

Name: Master Millwork, LLC
norm: master millwork
Domain: mastermillwork.com
Industry: Retail & Consumerllm

Discovered: Feb 4, 2026
Breach occurred: Feb 1, 2026 – Feb 5, 2026
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 30, 2026
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General Consumer Protection Bureau
Initial access: valid_credentials

During the incident: Reset passwords
Conducted a thorough investigation
Reviewed its policies and procedures related to data security
Offering of complimentary credit monitoring and identity protection services
Changes made: Reviewed its policies and procedures related to data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGApr 1 · first

New Hampshire State AGApr 1 · first · this page

Massachusetts State AG+1d

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://mm.nh.gov/files/uploads/doj/remote-docs/master-millwork-20260401.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 1, 2026
Raw hash: a047c7826ca48ee5f3d1fdb5878352897c2bd6dc0fde004b992ed0ccb538bda8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCipriani

Victim entityMaster Millwork, LLC

Incidentdiscovered Feb 4, 2026

Stated responseReset passwords

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov