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Marten Transport

Disclosed Mar 25, 20224 years ago35,294 affectedConfirmed

Official notice

What is known

People affected35,294 (as reported by the organization)
DisclosedMar 25, 2022
DiscoveredOct 3, 2021
HappenedSep 30, 2021
AttackRansomware
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Marten Transportoag.ca.gov · Official notice
Washington Attorney General breach notice: Marten Transportatg.wa.gov · Official notice
Oregon DOJ breach notice: Marten Transportjustice.oregon.gov · Official notice
Indiana Attorney General 2022 data breach report: Marten Transportin.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAMar 25, 2022
Washington AGresidents of WAMar 25, 2022521
Oregon DOJresidents of ORMar 25, 202235,294
Indiana AGresidents of INMar 25, 20221,024
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 35294 · backfill source
  • 2026-09-25 · attack: unknown to ransomware · backfill source
  • 2026-09-25 · discovered: empty to 2021-10-03 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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