MalwareManufacturingManufacturingRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Alpine Lumber Company

bd_cd7708a882074afd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 22, 2025

Filed

Apr 30, 2026

To disclose

—

Affected

7state residents only

Linked

4 filings

Confidence

66%

Full breach record for Alpine Lumber Company →

Alpine Lumber Company reported a ransomware incident in Nebraska affecting 7 residents. Unauthorized access occurred between Dec 14-22, 2025, resulting in file encryption and exfiltration of names and SSNs. Notification was sent on April 30, 2026, offering credit monitoring. The incident is contained.

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Incident timeline

undetected · 8 days

Dec 14, 2025

Begins

Dec 22, 2025

Discovered

Apr 30, 2026

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

Nebraska State AGbd_46ee7344c05e4e662026-02-18 · +71dVerified
Vermont State AGbd_54f7c506848e31f42026-02-18 · +71dVerified
Indiana State AGbd_8bed476fd4a9ba272026-02-18 · +71dCandidate

Name: Alpine Lumber Company
norm: alpine lumber

Name: Alpine Lumber Company
norm: alpine lumber
Industry: Manufacturingllm

Discovered: Dec 22, 2025
Breach occurred: Dec 14, 2025 – Dec 22, 2025
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 30, 2026
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial

During the incident: Implemented response protocols
Took measures to contain the activity
Launched an investigation with the support of third-party cybersecurity professionals
Notified law enforcement
Established a dedicated, toll-free call center
Changes made: Taken steps to enhance its existing security measures
Source: Quoted from the filing itself, not independently verified.

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 ↗

Nebraska State AGFeb 18 · first

Vermont State AGFeb 18 · first

Indiana State AGFeb 18 · first

Nebraska State AG+71d · this page

Pattern: first filing Feb 18 (NE), last Apr 30 (NE) — a 71-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://nebraska.gov/ago/data-breach/documents/12184b11-952d-42e0-a455-259148f99764.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 30, 2026
Raw hash: c0ccc624c6843a9f51e4e467707b2b2b9d5cb502b6fb7b2a1974b47d8a0899fd

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityAlpine Lumber Company

Victim entityAlpine Lumber Company

Incidentdiscovered Dec 22, 2025

Stated responseImplemented response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov