HackingTransportation & LogisticsTransportationCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPHIMediumContained

Matson Navigation Company

bd_23c044499321c07f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 14, 2020

Filed

Dec 3, 2020

To disclose

7 weeks

Affected

175state residents only

Linked

9 filings

Confidence

66%

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

Matson Navigation Company notified the NH AG of a cyber-attack on Oct 14, 2020, where an attacker accessed parts of its network. Approximately 175 NH residents were affected. Exposed data included names, birth dates, SSNs, and potentially health insurance info. Matson cut off access, engaged forensic/legal teams, reported to law enforcement, and offered 1 year of Experian IdentityWorks.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 7 weeks / 50 days

Oct 14, 2020

Discovered

Dec 3, 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

Washington State AGbd_d59e37baa4f5b92d2020-12-01 · +2dVerified
Maine State AGbd_3ad3ae761c87797b2021-01-02 · +30dVerified
Maine State AGbd_25878eec46c86a8e2021-01-04 · +32dVerified
California State AGbd_6b8c99467add88b12021-01-04 · +32dVerified

Show 4 more filings ↓up to 34d gap

Massachusetts State AGbd_7c70cf43623e958b2021-01-04 · +32dVerified
Oregon State AGbd_55f92f0e8b0b2b7b2021-01-06 · +34dVerified
Indiana State AGbd_6eabfd4152dda5682020-10-30 · +34dVerified
Montana State AGbd_958d4765c5a9c5a82020-10-30 · +34dCandidate

Name: Gibson, Dunn, & Crutcher LLP
norm: gibson dunn crutcher

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

Discovered: Oct 14, 2020
Materiality determined: —
Notification sent: Oct 30, 2020
Affected individuals: 175state-resident count only
Data types: Identity (basic)Government IDPHI
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: reported the incident to law enforcement and are cooperating with their investigation
Initial access: exploit_public_facing

During the incident: Hired leading forensics, cyber-recovery first responder, credit reporting, and legal teams to assist in our incident response
Cut off the attacker’s access
Restoring our systems
Reported the incident to law enforcement and are cooperating with their investigation
Changes made: Offering you a company-paid one-year membership of Experian’s IdentityWorks
Provides you with identity detection and resolution of identity theft
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 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

Washington State AG+32d

New Hampshire State AG+34d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/matson-navigation-20201203.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2020
Raw hash: c2531b4f1096faae2ad85bac8b125246dffba5edd7e5b74e8e097eb3f12ffbcb

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityGibson, Dunn, & Crutcher LLP

Victim entityMatson Navigation Company

Incidentdiscovered Oct 14, 2020

Stated responseHired leading forensics, cyber-recovery first responder, credit reporting, and legal teams to assist in our incident response

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov