HackingManufacturingManufacturingStolen CredentialsMulti-Stage ChainDelayed DiscoveryIdentity (basic)Government IDPIIMediumContained

Vertical Limit Construction

bd_825cb3dd70452e90 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 19, 2018

Filed

Jul 11, 2018

To disclose

12 weeks

Affected

1state residents only

Confidence

65%

Full breach record for Vertical Limit Construction →

Vertical Limit Construction notified Montana residents that employee email accounts were compromised between Dec 2017 and Apr 2018. The breach exposed names, SSNs, driver's licenses, and DOBs. The company engaged forensic investigators, reset passwords, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 121 days

discovery → filing · 12 weeks / 83 days

Dec 19, 2017

Begins

Apr 19, 2018

Discovered

Jul 11, 2018

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Vertical Limit Construction
norm: vertical limit construction

Name: Vertical Limit Construction
norm: vertical limit construction
Industry: Manufacturingllm

Discovered: Apr 19, 2018
Breach occurred: Dec 19, 2017 – Apr 10, 2018
Undetected for: 121 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 3, 2018
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Changed passwords to prevent further unauthorized access
Changes made: Provided 12 months of free credit monitoring and identity theft protection services through TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/Vertical-Limit.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 11, 2018
Raw hash: 5f416eee5c96c38bd8ddb38714358b1e0c320da2ca0799f4c55aedc5aec6b9f0

Reporting entityVertical Limit Construction

Victim entityVertical Limit Construction

Incidentdiscovered Apr 19, 2018

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov