HackingGovernmentGovernmentData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Greer Commission of Public Works

bd_28bd94c1fb3e5209 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 26, 2025

Filed

Nov 14, 2025

To disclose

20 weeks

Affected

7state residents only

Linked

8 filings

Confidence

63%

Full breach record for Greer Commission of Public Works →

CorrectionPublished Oct 10, 2026

The Montana Department of Justice register lists this notice on 2025-01-14. The notice letter is dated November 14, 2025, so we publish 2025-11-14 as the date it was filed.

Read their full statement

Greer Commission of Public Works notified Montana residents of a cybersecurity incident occurring on June 19, 2025, discovered on June 26, 2025. Unauthorized access resulted in the copying of personal information. The organization engaged forensic specialists and legal counsel, and is offering 12 months of credit monitoring services to affected individuals.

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Incident timeline

undetected · 7 days

discovery → filing · 20 weeks / 141 days

Jun 19, 2025

Begins

Jun 26, 2025

Discovered

Nov 14, 2025

Filed

This filing is one of 8 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Massachusetts State AGbd_03a5cd20cc86e3632025-11-14Verified
South Carolina State AGbd_0d9639d8285e416f2025-11-14Verified
New Hampshire State AGbd_73aae9c13c92d8a72025-11-14Verified
Vermont State AGbd_76f62ede8d9669ee2025-11-14Verified

Show 3 more filings ↓

Indiana State AGbd_a6c8a69320436e8a2025-11-14Verified
Maine State AGbd_d788eb39dfc76d2e2025-11-14Candidate
Nebraska State AGbd_e4f127f6be1ed6232025-11-14Verified

Name: Greer Commission of Public Works
norm: greer commission of public works

Name: Greer Commission of Public Works
norm: greer commission of public works
Industry: Governmentllm

Discovered: Jun 26, 2025
Breach occurred: Jun 19, 2025
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 14, 2025
Affected individuals: 7state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External

During the incident: Began an investigation into the scope and nature of the suspicious activity
Retained legal counsel and third-party forensic specialists to investigate the unusual activity
Began a comprehensive review of the data set to determine what sensitive and/or personal information was potentially impacted
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(141 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Massachusetts State AGNov 14 · first

South Carolina State AGNov 14 · first

New Hampshire State AGNov 14 · first

Vermont State AGNov 14 · first

Indiana State AGNov 14 · first

Maine State AGNov 14 · first

Nebraska State AGNov 14 · first

Montana State AGNov 14 · 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://dojmt.gov/wp-content/uploads/2025/11/Consumer-notification-letter-38.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 14, 2025
Raw hash: 0c123d36f0ec29221fb81d64b3e3144798555b7b61086b109155f22d544f9be2

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityGreer Commission of Public Works

Victim entityGreer Commission of Public Works

Incidentdiscovered Jun 26, 2025

Stated responseBegan an investigation into the scope and nature of the suspicious activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov