HackingManufacturingManufacturingData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Idemitsu Lubricants America Corporation

bd_6803f18cb560368b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 17, 2025

Filed

Nov 13, 2025

To disclose

30 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Idemitsu Lubricants America Corporation →

Idemitsu Lubricants America Corporation notified the New Hampshire AG of a data event affecting one NH resident. Unauthorized access occurred April 15-17, 2025, involving name and SSN. ILA detected irregular server activity on April 17, engaged forensic specialists, notified law enforcement, and provided 24 months of credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 30 weeks / 210 days

Apr 15, 2025

Begins

Apr 17, 2025

Discovered

Nov 13, 2025

Filed

vs. sector median

+19 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_3b44f6bd9cae3c3a2025-11-13Verified
Indiana State AGbd_5e003d889da23bc22025-11-13Candidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Idemitsu Lubricants America Corporation
norm: idemitsu lubricants america
Industry: Manufacturingllm

Discovered: Apr 17, 2025
Breach occurred: Apr 15, 2025 – Apr 17, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 13, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney General

During the incident: Promptly took steps to contain the event
Launched an investigation to determine the nature and scope of the activity
Undertook a thorough review of the relevant files to identify individuals with personal information
Notified federal law enforcement regarding the event
Commenced an investigation with the assistance of third-party computer forensic specialists
Changes made: Working to implement additional safeguards and training to its employees
Continues to review its policies, procedures and processes related to the storage and access of personal information to reduce the likelihood of a similar future event
Offering 24 months of complimentary access to credit monitoring services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 30 weeks(210 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGNov 13 · first

Indiana State AGNov 13 · first

New Hampshire State AGNov 13 · 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/idemitsu-lubricants-america-20251113.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 0e6139e85dcfe81afd21642380611ff1518f1c6f1b4e7f6a5a42470dd24074fc

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityIdemitsu Lubricants America Corporation

Incidentdiscovered Apr 17, 2025

Stated responsePromptly took steps to contain the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov