HackingRetail & ConsumerRetailTargetedIdentity (basic)Government IDHighActive

Archie Cochrane Motors, Inc

bd_562b6e24bbd50932 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 11, 2024

Filed

Feb 27, 2025

To disclose

11 weeks

Affected

1,061state residents only

Confidence

65%

Full breach record for Archie Cochrane Motors, Inc →

Archie Cochrane Motors, Inc. notified Montana residents of a data security incident detected on December 11, 2024. An unauthorized third party attempted to access the network, potentially exposing names, mailing addresses, and Social Security Numbers. The investigation is ongoing. The company engaged forensic investigators, notified the FBI, and is offering 12 months of credit monitoring services.

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Incident timeline

discovery → filing · 11 weeks / 78 days

Dec 11, 2024

Begins

Dec 11, 2024

Discovered

Feb 27, 2025

Filed

vs. sector median

+3 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,061 affectedView incident

Name: Archie Cochrane Motors, Inc
norm: archie cochrane motors

Name: Archie Cochrane Motors, Inc
norm: archie cochrane motors
Industry: Retail & Consumerllm

Discovered: Dec 11, 2024
Breach occurred: Dec 11, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 27, 2025
Affected individuals: 1,061state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified the FBI and other relevant law enforcement agencies
Initial access: exploit_public_facing

During the incident: Engaged external cybersecurity experts
Moved quickly to secure its network
Launched an investigation
Performed investigation with independent IT security and forensic investigators
Notified the FBI and other relevant law enforcement agencies
Changes made: Implementing additional safeguards and enhanced security measures
Reviewed and taken steps to enhance its policies and procedures relating to the security of its systems
Enhanced information life cycle management
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(78 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/2025/03/Consumer-notification-letter-137.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2025
Raw hash: 09fca9c7b19899b857e650632e4038b5f34ed101015e552e1658f5753bf8024f

Reporting entityArchie Cochrane Motors, Inc

Victim entityArchie Cochrane Motors, Inc

Incidentdiscovered Dec 11, 2024

Stated responseEngaged external cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov