MalwareManufacturingManufacturingRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedRansom DemandedGovernment IDIdentity (basic)Financial accountFinancial credentialsHealth (basic)PHIMediumContained

Alpine Lumber Company

bd_46ee7344c05e4e66 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Dec 22, 2025

Filed

Feb 18, 2026

To disclose

—

Affected

6state residents only

Linked

4 filings

Confidence

66%

Full breach record for Alpine Lumber Company →

Alpine Lumber Company experienced a ransomware incident in December 2025 affecting 6 Nebraska residents. Unauthorized actors encrypted devices and exfiltrated files containing PII, government IDs, financial data, and health information. Alpine contained the breach, engaged third-party investigators, notified law enforcement, and mailed notifications on February 18, 2026, offering one year of credit monitoring.

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Incident timeline

undetected · 8 days

Dec 14, 2025

Begins

Dec 22, 2025

Discovered

Feb 18, 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

Vermont State AGbd_54f7c506848e31f42026-02-18Verified
Indiana State AGbd_8bed476fd4a9ba272026-02-18Candidate
Nebraska State AGbd_cd7708a882074afd2026-04-30 · +71dVerified

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: Feb 18, 2026
Affected individuals: 6state-resident count only
Data types: Government IDIdentity (basic)Financial accountFinancial credentialsHealth (basic)PHI
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Implemented its 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 ↗

Vermont State AGFeb 18 · first

Indiana State AGFeb 18 · first

Nebraska State AGFeb 18 · first · this page

Nebraska State AG+71d

Pattern: first filing Feb 18 (VT), 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/f78bc040-a55e-4235-b5b5-994e92aa735d.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 18, 2026
Raw hash: 385861f2f93cabeb6cf45a5f2bc64a6bf1b75e54a6743abbad3befb69a2cf79e

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityAlpine Lumber Company

Victim entityAlpine Lumber Company

Incidentdiscovered Dec 22, 2025

Stated responseImplemented its response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov