HackingIdentity (basic)Government IDPIIMediumContained

Mill Brothers

bd_2af7ca068d9b7e34 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 31, 2026

To disclose

—

Affected

Not disclosed

Confidence

68%

Full breach record for Mill Brothers →2 incidents on file

Mill Brothers Landscape Group filed a breach notification with the Massachusetts Attorney General regarding unauthorized access to member data. The incident involved the compromise of personal information, including Social Security numbers and credit report data. The company offered complimentary identity monitoring and fraud consultation services to affected individuals and provided guidance on placing fraud alerts and security freezes with credit bureaus.

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Leak gap clock⏱ Leak >30d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 31, 2026

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

A leak claim by play about this victim predates this filing by 112 days.View originating leak claim

Name: Mill Brothers
norm: mill brothers
Domain: millbrothers.com

Name: Mill Brothers
norm: mill brothers
Domain: millbrothers.com

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Set up a dedicated and confidential toll-free response line
Enrolling in Complimentary Identity Monitoring
Offered Credit Monitoring, Fraud Consultation, and Identity Theft Restoration through Kroll
Provided instructions to obtain and monitor credit reports
Provided instructions to place a fraud alert on credit files
Provided instructions to place a security freeze on credit files
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

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.mass.gov/doc/2026-490-mill-brothers-landscape-group/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2026
Raw hash: 75f7d22f3bd65a760b9d4dcd786e5d6c306e9478f7fc7098f15069989a60c2b2

Reporting entityMill Brothers

Victim entityMill Brothers

IncidentUnauthorized Access

Stated responseSet up a dedicated and confidential toll-free response line

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov