HackingOtherDelayed DiscoveryIdentity (basic)LowContained

Miller Construction

bd_987f3fcddb9f10ff · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 3, 2025

Filed

Sep 11, 2025

To disclose

10 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

67%

Full breach record for Miller Construction →

Miller Construction notified Vermont AG of unauthorized network access discovered July 3, 2025. Investigation determined limited personal information (name) may have been accessed. Victim offered 12 months credit monitoring. No evidence of fraudulent misuse. Incident status contained.

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Vermont clock✗ VT AG >45 bday10 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 10 weeks / 70 days

Jul 3, 2025

Discovered

Sep 11, 2025

Filed

vs. sector median

+2 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

New Hampshire State AGbd_04602d7e221429c12025-09-11Verified

Name: Miller Construction
norm: miller construction

Name: Miller Construction
norm: miller construction
Industry: Otherllm

Discovered: Jul 3, 2025
Materiality determined: —
Notification sent: Sep 11, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took immediate action to secure the network
Engaged a team of third-party specialists to assist with determining the full nature and scope of the incident
Conducted a thorough review of the potentially impacted data
Taking steps to strengthen our network security
Providing you twelve months of complimentary credit monitoring and identity protection services
Changes made: Strengthen our network security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGSep 11 · first

Vermont State AGSep 11 · first · this page

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://ago.vermont.gov/document/2025-09-11-miller-construction-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 11, 2025
Raw hash: 0368f7fb22ec4f372c1dd2b67d98eb4a6284e1a58c35c31e6fb8bb8041aadf3f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMiller Construction

Victim entityMiller Construction

Incidentdiscovered Jul 3, 2025

Stated responseTook immediate action to secure the network

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov