HackingTechnologyProfessional ServicesInformationCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

T.Y. Lin International Group Ltd.

bd_6e8883668708a8f6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 1, 2024

Filed

Feb 20, 2024

To disclose

—

Affected

4state residents only

Linked

5 filings

Confidence

64%

Full breach record for T.Y. Lin International Group Ltd. →

T.Y. Lin International Group notified the New Hampshire Attorney General of a data security incident. Unauthorized access occurred on or about July 27, 2023, discovered on August 1, 2024. The breach affected 4 New Hampshire residents, exposing personal information including names, addresses, and Social Security numbers. T.Y. Lin engaged cybersecurity experts, notified affected staff, and provided credit monitoring and identity protection services through Experian.

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Incident timeline

undetected · 371 days

discovery → filing · ≤1 day / 0 days

Jul 27, 2023

Begins

Aug 1, 2024

Discovered

Feb 20, 2024

Filed

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_6b2ba51145d1b27a2024-02-20Verified
Indiana State AGbd_6becc4e6a24e11ee2024-02-20Verified
Maine State AGbd_8c2056de8313e7972024-02-20Candidate
Montana State AGbd_95246e6fefede82c2024-02-20Verified

Name: T.Y. Lin International Group Ltd.
norm: ty lin

Name: T.Y. Lin International Group Ltd.
norm: ty lin
Industry: TechnologyllmProfessional Servicesllm

Discovered: Aug 1, 2024
Breach occurred: Jul 27, 2023
Undetected for: 371 daysoccurrence → discovery
Materiality determined: Feb 12, 2024
Notification sent: Feb 20, 2024
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Attorney General John Formella, Office of the Attorney General Consumer Protection Bureau
Initial access: valid_credentials

During the incident: Engaged cybersecurity experts to assist with the process
Communicated details of the incident to any potentially impacted staff
Provided credit monitoring services on August 9, 2023
Conducted a diligent search including data mining efforts
Sent notification letters to affected residents by USPS First Class Mail
Offered complimentary identity protection services including credit monitoring, dark web monitoring, $1 million identity fraud loss reimbursement policy, and fully managed identity theft recovery services
Provided a second complimentary credit monitoring and identity protection services through Experian to affected individuals whose social security numbers were impacted
Changes made: Engaged in a diligent search of its international networked environment
Enlisted the assistance of several management teams at its many office locations
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGFeb 20 · first

Indiana State AGFeb 20 · first

Maine State AGFeb 20 · first

Montana State AGFeb 20 · first

New Hampshire State AGFeb 20 · 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/t-y-lin-international-group-20240220.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 20, 2024
Raw hash: 0411dc8eddaf71c8dbeb02832582d3549fca7b7a18f5085948445d182f7b6085

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityT.Y. Lin International Group Ltd.

Victim entityT.Y. Lin International Group Ltd.

Incidentdiscovered Aug 1, 2024

Stated responseEngaged cybersecurity experts to assist with the process

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov