HackingManufacturingManufacturingStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Mandere Construction / Northwestern Building Components

bd_504e120e7932d065 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 4, 2021

Filed

Jul 30, 2021

To disclose

8 weeks

Affected

29state residents only

Linked

2 filings

Confidence

65%

Full breach record for Mandere Construction / Northwestern Building Components →

Mandere Construction & Northwest Building Components notified Montana residents of a security incident discovered on June 4, 2021, where unauthorized files were downloaded from its network. The incident involved personal information including names and Social Security numbers. The company engaged outside experts for investigation, strengthened network security, and offered one year of complimentary credit monitoring via Experian.

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Incident timeline

discovery → filing · 8 weeks / 56 days

Jun 4, 2021

Discovered

Jul 30, 2021

Filed

vs. sector median

3 wks faster

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

Washington State AGbd_a4703573196246422021-07-30Verified

Name: Mandere Construction / Northwestern Building Components
norm: mandere construction northwestern building components

Name: Mandere Construction / Northwestern Building Components
norm: mandere construction northwestern building components
Industry: Manufacturingllm

Discovered: Jun 4, 2021
Materiality determined: —
Notification sent: Jul 27, 2021
Affected individuals: 29state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Working with outside experts to investigate
Strengthened network security controls
Offering one year of complimentary credit monitoring services
Changes made: Strengthened network security controls
Focus on improving cyber-resiliency and security posture
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(56 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Washington State AGJul 30 · first

Montana State AGJul 30 · 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/OCP/notificationLetter-5.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 30, 2021
Raw hash: 44e79dac40fad0111859218a2a0351c736909ffd367a4e7b88f1e2fda96106aa

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMandere Construction / Northwestern Building Components

Victim entityMandere Construction / Northwestern Building Components

Incidentdiscovered Jun 4, 2021

Stated responseWorking with outside experts to investigate

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov