HackingConstructionConstructionCustomer Data InvolvedGovernment IDIdentity (basic)Health (basic)Financial accountMediumContained

Roebbelen Contracting, Inc.

bd_fdc784f321451526 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 22, 2025

Filed

Nov 12, 2025

To disclose

12 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for Roebbelen Contracting, Inc. →

Roebbelen Contracting, Inc. notified Montana residents of a data security incident identified on August 22, 2025. Unauthorized activity on the network may have exposed sensitive information including SSNs, driver's license numbers, medical information, and health insurance data. The incident was contained, forensic experts were engaged, and affected individuals were offered complimentary credit monitoring and identity protection services.

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Incident timeline

discovery → filing · 12 weeks / 82 days

Aug 22, 2025

Begins

Aug 22, 2025

Discovered

Nov 12, 2025

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_8e00b60b262017632025-11-12Verified
California State AGbd_a54bdd1ff0066d292025-11-12Candidate
California State AGbd_e856b279edd594412026-01-05 · +54dVerified

Name: Roebbelen Contracting, Inc.
norm: roebbelen contracting

Name: Roebbelen Contracting, Inc.
norm: roebbelen contracting
Industry: Constructionllm

Discovered: Aug 22, 2025
Breach occurred: Aug 22, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)Health (basic)Financial account
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External

During the incident: Took immediate steps to contain the incident
Engaged forensic cybersecurity experts to investigate
Implemented and will continue to adopt additional safeguards and technical security measures
Arranged for complimentary credit monitoring and identity protection services through IdentityWorks
Changes made: Implemented additional safeguards and technical security measures to further protect and monitor systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(82 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

Indiana State AGNov 12 · first

California State AGNov 12 · first

Montana State AGNov 12 · first · this page

California State AG+54d

Pattern: first filing Nov 12 (IN), last Jan 5 (CA) — a 54-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://dojmt.gov/wp-content/uploads/2025/11/Consumer-notification-letter-29.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 12, 2025
Raw hash: 310075de8aa4c9ad61459ded23949737951e96119ff74a8eb975ebf5241ae831

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityRoebbelen Contracting, Inc.

Victim entityRoebbelen Contracting, Inc.

Incidentdiscovered Aug 22, 2025

Stated responseTook immediate steps to contain the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov