HackingManufacturingManufacturingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountPHICredentialsMediumContained

Daedong-USA

bd_d5ceed4f4fecb95b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 15, 2024

Filed

Feb 19, 2025

To disclose

18 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for Daedong-USA →

Daedong-USA, Inc. notified Maryland AG of a cybersecurity incident occurring around Jan 23, 2024, discovered in mid-Oct 2024. Unauthorized access led to exposure of names, DOBs, government IDs, SSNs, bank/card numbers, PHI, and credentials. The company engaged forensic investigators, revoked access, enhanced security, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maryland clock✗ MD AG >90d18 weeks discovery → filing

Incident timeline

undetected · 266 days

discovery → filing · 18 weeks / 127 days

Jan 23, 2024

Begins

Oct 15, 2024

Discovered

Feb 19, 2025

Filed

vs. sector median

+7 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

Montana State AGbd_96fd5d9dbb21a42a2025-02-20 · +1dCandidate
Indiana State AGbd_e4d52e22ac77c6ed2025-02-20 · +1dVerified
Maine State AGbd_f42a2fbdecd3a8582025-02-20 · +1dCandidate

Name: Daedong-USA
norm: daedong usa

Name: Daedong-USA
norm: daedong usa
Industry: Manufacturingllm

Discovered: Oct 15, 2024
Breach occurred: Jan 23, 2024
Undetected for: 266 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 20, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountPHICredentials
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Revoked the unauthorized party’s access to our systems
Engaged third-party forensic investigators to assist in our investigation of the issue
Took additional steps to enhance the security of our systems
Offered identity protection and credit monitoring services for two years at no cost
Changes made: Enhanced the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(127 days from discovery to filing)
Compliance flags: MD AG >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 ↗

Maryland State AGFeb 19 · first · this page

Montana State AG+1d

Indiana State AG+1d

Maine State AG+1d

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376383.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 19, 2025
Raw hash: 64fb2aa12c302a68af3bc4d84dd7d5f5e9e851a6564bf4bd2a6852cb51382ff8

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityDaedong-USA

Victim entityDaedong-USA

Incidentdiscovered Oct 15, 2024

Stated responseRevoked the unauthorized party’s access to our systems

ComplianceMD AG >90d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov