HackingTechnologyInformationStolen CredentialsData ExfiltratedTargetedIdentity (basic)LowContained

TOPCON AMERICA CORPORATION

bd_ca833d849c25bfff · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 5, 2023

Filed

Jan 24, 2024

To disclose

50 weeks

Affected

1state residents only

Confidence

65%

Full breach record for TOPCON AMERICA CORPORATION →2 incidents on file

Topcon America Corporation notified Montana residents of a security incident occurring between Jan 7 and Feb 5, 2023. Unauthorized access to documents resulted in the exposure of names and other data elements. Topcon notified law enforcement, secured the network, and is offering 12 months of credit monitoring.

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Incident timeline

undetected · 29 days

discovery → filing · 50 weeks / 353 days

Jan 7, 2023

Begins

Feb 5, 2023

Discovered

Jan 24, 2024

Filed

vs. sector median

+39 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: TOPCON AMERICA CORPORATION
norm: topcon america

Name: TOPCON AMERICA CORPORATION
norm: topcon america
Industry: Technologyllm

Discovered: Feb 5, 2023
Breach occurred: Jan 7, 2023 – Feb 5, 2023
Undetected for: 29 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 24, 2024
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified federal law enforcement
Initial access: valid_credentials

During the incident: Notified law enforcement
Worked to secure the Topcon network
Performed a comprehensive review of the files
Providing 12 months of credit monitoring and identity protection services through Experian
Changes made: Reviewing and enhancing existing policies and procedures related to data privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 50 weeks(353 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1051.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 24, 2024
Raw hash: 6314e867917a85398994d25baad02396c91a70d851ef9715a647fd8be299a31d

Reporting entityTOPCON AMERICA CORPORATION

Victim entityTOPCON AMERICA CORPORATION

Incidentdiscovered Feb 5, 2023

Stated responseNotified law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov