Matson Navigation

Disclosed Oct 30, 20205 years ago25,000 affectedConfirmed

Official notice

What is known

People affected	25,000 (as reported by the organization)
Disclosed	Oct 30, 2020
Discovered	Oct 14, 2020
Happened	Oct 14, 2020
Attack	Hacking
Data exposed	Not stated
Sector	Other · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Matson Navigationoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: Matson Navigationatg.wa.gov · Official notice	Official notice
Oregon DOJ breach notice: Matson Navigationjustice.oregon.gov · Official notice	Official notice
Indiana Attorney General 2021 data breach report: Matson Navigationin.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Oct 30, 2020	56
Washington AGresidents of WA	Dec 1, 2020	2,991
California AGresidents of CA	Jan 4, 2021
Oregon DOJresidents of OR	Jan 6, 2021	25,000

Other breaches at Matson Navigation

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Dec 23, 2015Dec 23, 201510 years ago	Dec 23, 201510 years ago	Not stated	Other	Confirmed	14K

History of this record

2026-09-25 · records_basis: empty to organization · backfill source
2026-09-25 · records: empty to 25000 · backfill source
2026-09-25 · disclosed: 2020-12-01 to 2020-10-30 · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · disclosed: 2021-01-04 to 2020-12-01 · backfill source
2026-09-25 · discovered: empty to 2020-10-14 · 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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