MalwareOtherRansomwareData EncryptedPIIIdentity (basic)LowContained

Great Plains Beef, LLC

bd_db94138d94a2afe4 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 1, 2021

Filed

May 4, 2022

To disclose

31 weeks

Affected

1state residents only

Confidence

67%

Great Plains Beef, LLC and Lone Creek Cattle Company notified Montana residents that on October 1, 2021, their computer systems were encrypted by an unauthorized individual. Forensic experts were engaged. Personal information was accessed. The companies offered 12 months of Experian IdentityWorks monitoring.

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Incident timeline

discovery → filing · 31 weeks / 215 days

Oct 1, 2021

Discovered

May 4, 2022

Filed

vs. sector median

+23 wks slower

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

Name: Great Plains Beef, LLC
norm: great plains beef

Name: Great Plains Beef, LLC
norm: great plains beef
Industry: Otherllm

Discovered: Oct 1, 2021
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Engaged computer forensic experts
Offered complimentary 12 month membership to Experian’s IdentityWorks
Changes made: Implemented additional safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(215 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/Lone-Creek-Cattle-Company-Consumer-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 4, 2022
Raw hash: 5529e1af51d32bb64999e0c118149f4d80c040b672b8b77a02648cba10f4672f

Reporting entityGreat Plains Beef, LLC

Victim entityGreat Plains Beef, LLC

Incidentdiscovered Oct 1, 2021

Stated responseEngaged computer forensic experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov