HackingTransportation & LogisticsTransportationStolen CredentialsData ExfiltratedTargetedIdentity (basic)PIILowContained

Marten Transport

bd_0f5a485357deeba5 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 3, 2021

Filed

Mar 25, 2022

To disclose

25 weeks

Affected

17state residents only

Linked

10 filings

Confidence

66%

Full breach record for Marten Transport →

Marten Transport, Ltd. notified Montana residents of unauthorized access to company systems between Sept 30 and Oct 4, 2021. The company discovered unusual activity on Oct 3, 2021. An unknown actor viewed/downloaded personal information including names. Marten reported to federal law enforcement, engaged forensic specialists, and offered credit monitoring via Equifax.

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Incident timeline

undetected · 3 days

discovery → filing · 25 weeks / 173 days

Sep 30, 2021

Begins

Oct 3, 2021

Discovered

Mar 25, 2022

Filed

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitehivebd_e0f4910c3b69bea62022-01-25 · +59dVerified by operator

Regulatory filings (8) · sorted by filing gap

California State AGbd_75003077209ce0c22022-03-25Verified
Washington State AGbd_8ad44bdc97b0f78b2022-03-25Verified
Massachusetts State AGbd_c8b7505cb8505f6f2022-03-25Verified
Indiana State AGbd_d31a4b317eb02d922022-03-25Verified

Show 4 more filings ↓up to 83d gap

Oregon State AGbd_d7f0daa4522142ac2022-03-25Verified
Maine State AGbd_ea74d9258957437f2022-03-25Verified
New Hampshire State AGbd_aee529f81d55bd0c2022-03-29 · +4dVerified
Illinois State AGbd_8f8b49fd24b30c1f2022-01-01 · +83dCandidate

Name: Marten Transport
norm: marten transport

Name: Marten Transport
norm: marten transport
Industry: Transportation & Logisticsllm

Discovered: Oct 3, 2021
Breach occurred: Sep 30, 2021 – Oct 4, 2021
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 17state-resident count only
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Reported event to federal law enforcement
Initial access: valid_credentials

During the incident: Disconnected affected systems
Commenced an extensive investigation
Reported this event to federal law enforcement
Worked with data specialists to conduct a comprehensive review
Conducted a time-intensive manual review of records
Offering complimentary access to credit monitoring and identity restoration services through Equifax
Changes made: Enhancing information security posture through additional administrative and technical measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(173 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

Illinois State AGJan 1 · first

California State AG+83d

Washington State AG+83d

Massachusetts State AG+83d

Indiana State AG+83d

Oregon State AG+83d

Maine State AG+83d

Montana State AG+83d · this page

New Hampshire State AG+87d

Pattern: first filing Jan 1 (IL), last Mar 29 (NH) — a 87-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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-285.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 25, 2022
Raw hash: 33a5ae24dd400d5646ef0bda5e3be0a69bf000cb77dbaa49c3f1b227d23f4729

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityMarten Transport

Victim entityMarten Transport

Incidentdiscovered Oct 3, 2021

Stated responseDisconnected affected systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov