HackingManufacturingManufacturingStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Daedong-USA, Inc. (Kioti® Tractor Division)

bd_25d6b7aa912d9279 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 31, 2024

Filed

Feb 24, 2025

To disclose

17 weeks

Affected

74state residents only

Linked

4 filings

Confidence

66%

Full breach record for Daedong-USA, Inc. (Kioti® Tractor Division) →

Daedong-USA, Inc. (Kioti Tractor Division) notified the NH AG of a cybersecurity incident occurring around Jan 23, 2024. Unauthorized access led to the exposure of personal information (names, SSNs, DOBs, driver's licenses) for 74 NH residents. The company discovered the incident in Oct 2024, engaged forensic investigators, and is offering credit monitoring.

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Incident timeline

undetected · 282 days

discovery → filing · 17 weeks / 116 days

Jan 23, 2024

Begins

Oct 31, 2024

Discovered

Feb 24, 2025

Filed

vs. sector median

+6 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Vermont State AGbd_3bb1e6c21509b59c2025-02-20 · +4dCandidate
Nebraska State AGbd_5a4b40bd658d9e672025-02-20 · +4dVerified
Massachusetts State AGbd_72eb26e92e41a0e22025-02-20 · +4dVerified

Name: Daedong-USA, Inc. (Kioti® Tractor Division)
norm: daedong usa inc kioti tractor division

Name: Daedong-USA, Inc. (Kioti® Tractor Division)
norm: daedong usa inc kioti tractor division
Industry: Manufacturingllm

Discovered: Oct 31, 2024
Breach occurred: Jan 23, 2024
Undetected for: 282 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 20, 2025
Affected individuals: 74state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Revoked the unauthorized party’s access to its systems
Engaged third-party forensic investigators to assist in its investigation
Took additional steps to enhance the security of its systems
Worked with an external electronic discovery expert to review relevant files
Changes made: Arranged to provide identity protection and credit monitoring services for at no cost to them
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGFeb 20 · first

Nebraska State AGFeb 20 · first

Massachusetts State AGFeb 20 · first

New Hampshire State AG+4d · 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/daedong-usa-kioti-tractor-division-20250224.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 24, 2025
Raw hash: d000bb2f4f8360f30f354b5522e09254b9abec86326dc22bf95f5ab6e3580ca0

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityDaedong-USA, Inc. (Kioti® Tractor Division)

Victim entityDaedong-USA, Inc. (Kioti® Tractor Division)

Incidentdiscovered Oct 31, 2024

Stated responseRevoked the unauthorized party’s access to its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov