DisclosureLens
HackingTransportation & LogisticsTransportationCustomer Data InvolvedIdentity (basic)Government IDHighResolved

Marten Transport

bd_ea74d9258957437f · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 8, 2022

Filed

Mar 25, 2022

To disclose

17 days

Affected · nationwide

35,2948 in this filing

Linked

10 filings

Confidence

50%
Full breach record for Marten Transport

Marten Transport, Ltd., a commercial transportation company, reported a data breach that affected 35,294 individuals, including 8 Maine residents. The breach, described as an external system hack, occurred between September 30, 2021, and October 4, 2021, and was discovered on March 8, 2022. The compromised information includes names and Social Security numbers. Affected individuals were notified in writing on March 25, 2022, and offered 12 months of credit monitoring and identity restoration services through Equifax.

Leak gap clock Leak >30d17 days discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 159 days
discovery → filing · 17 days

Sep 30, 2021

Begins

Mar 8, 2022

Discovered

Mar 25, 2022

Filed

This filing is one of 10 about the same incident.View merged incident
A leak claim by hive about this victim predates this filing by 59 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Show 4 more filingsup to 83d gap

Filing propagation · 9 filings · 9 states

View merged incident ↗

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.