HackingTransportation & LogisticsTransportationStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Matson Navigation Company

bd_958d4765c5a9c5a8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 14, 2020

Filed

Oct 30, 2020

To disclose

16 days

Affected

38state residents only

Linked

9 filings

Confidence

66%

Full breach record for Matson Navigation Company →3 incidents on file

Matson Navigation Company notified Montana residents of a cyber-attack discovered on October 14, 2020. The incident involved unauthorized access to HR servers containing employee PII, SSNs, and health insurance data. Matson engaged forensic and legal teams, cut off access, reported to law enforcement, and offered one year of Experian IdentityWorks.

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Incident timeline

discovery → filing · 16 days

Oct 14, 2020

Discovered

Oct 30, 2020

Filed

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Indiana State AGbd_6eabfd4152dda5682020-10-30Verified
Washington State AGbd_d59e37baa4f5b92d2020-12-01 · +32dVerified
New Hampshire State AGbd_23c044499321c07f2020-12-03 · +34dVerified
Maine State AGbd_3ad3ae761c87797b2021-01-02 · +64dVerified

Show 4 more filings ↓up to 68d gap

Maine State AGbd_25878eec46c86a8e2021-01-04 · +66dVerified
California State AGbd_6b8c99467add88b12021-01-04 · +66dVerified
Massachusetts State AGbd_7c70cf43623e958b2021-01-04 · +66dVerified
Oregon State AGbd_55f92f0e8b0b2b7b2021-01-06 · +68dVerified

Name: Matson Navigation Company
norm: matson navigation

Name: Matson Navigation Company
norm: matson navigation
Industry: Transportation & Logisticsllm

Discovered: Oct 14, 2020
Materiality determined: —
Notification sent: Oct 30, 2020
Affected individuals: 38state-resident count only
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Reported the incident to law enforcement and are cooperating with their investigation
Initial access: valid_credentials

During the incident: Hired leading forensics, cyber-recovery first responder, credit reporting, and legal teams
Cut off the attacker’s access
Reported the incident to law enforcement and are cooperating with their investigation
Offering company-paid one-year membership of Experian’s IdentityWorks
Changes made: Restoring systems and ensuring that those systems are “clean”
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 days(16 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 · 8 states

View merged incident ↗

Indiana State AGOct 30 · first

Montana State AGOct 30 · first · this page

Washington State AG+32d

New Hampshire State AG+34d

Maine State AG+64d

Maine State AG+66d

California State AG+66d

Massachusetts State AG+66d

Oregon State AG+68d

Pattern: first filing Oct 30 (IN), last Jan 6 (OR) — a 68-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/matSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 30, 2020
Raw hash: 69ce704a1ecc032201383b2c2d48d5fe6b35943f25a3ca6269d063c22d64b79f

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMatson Navigation Company

Victim entityMatson Navigation Company

Incidentdiscovered Oct 14, 2020

Stated responseHired leading forensics, cyber-recovery first responder, credit reporting, and legal teams

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov