HackingManufacturingManufacturingStolen CredentialsCapture Stored DataSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Clark Material Handling Company

bd_499bb02156e221fa · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 3, 2024

Filed

Aug 22, 2024

To disclose

25 weeks

Affected

3state residents only

Linked

5 filings

Confidence

65%

Full breach record for Clark Material Handling Company →

Clark Material Handling Company notified the New Hampshire Attorney General of a security incident affecting approximately 3 NH residents. Unauthorized access occurred via a compromised third-party web developer account between Feb 14 and Mar 3, 2024. Exposed data included names and SSNs. Clark engaged forensic experts, notified law enforcement, reset passwords, and provided credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d25 weeks discovery → filing

Incident timeline

undetected · 18 days

discovery → filing · 25 weeks / 172 days

Feb 14, 2024

Begins

Mar 3, 2024

Discovered

Jul 9, 2024

Scope determined

Aug 22, 2024

Filed

vs. sector median

+14 wks slower

This filing is one of 5 about the same incident.View merged incident

A leak claim by hunters_international about this victim predates this filing by 149 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitehunters_internationalbd_421ed6617a239dd82024-03-25 · +149dVerified by operator

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_c1ebcb289729b1652024-08-22Candidate
Maine State AGbd_ea00d9c1353f47ea2024-08-22Verified
Massachusetts State AGbd_f6b3978c59a1cbc52024-08-22Verified

Name: Clark Material Handling Company
norm: clark material handling
Domain: clarkmhc.com

Name: Clark Material Handling Company
norm: clark material handling
Domain: clarkmhc.com
Industry: Manufacturingllm

Discovered: Mar 3, 2024
Breach occurred: Feb 14, 2024 – Mar 3, 2024
Undetected for: 18 daysoccurrence → discovery
Materiality determined: Jul 9, 2024
Notification sent: Nov 22, 2024
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Consumer Protection Bureau, Office of the Attorney General of New Hampshire
Third party: via third-party web developer
Initial access: supply_chain

During the incident: Took immediate steps to contain, eradicate, and investigate the incident with the assistance of external cybersecurity experts
Conducted a detailed manual review of the data
Notified federal law enforcement authorities
Reset all passwords
Implemented additional security measures
Notified the affected New Hampshire residents via regular mail
Provided residents with credit monitoring at no charge
Established a dedicated toll-free support line
Changes made: Implemented additional security measures to help protect the privacy of information stored on its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(172 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGAug 22 · first

Maine State AGAug 22 · first

Massachusetts State AGAug 22 · first

New Hampshire State AGAug 22 · first · this page

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/clark-material-handling-20240822.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 22, 2024
Raw hash: 41ae41f3f7d72b807325e2e9080ab6307771ec340eaad83dad179577806ab52c

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityClark Material Handling Company

Victim entityClark Material Handling Company

Incidentdiscovered Mar 3, 2024

Stated responseTook immediate steps to contain, eradicate, and investigate the incident with the assistance of external cybersecurity experts

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov