HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

Trinity Petroleum Management, LLC

bd_f0c9e528171132a6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 14, 2024

Filed

Mar 12, 2025

To disclose

21 weeks

Affected

34state residents only

Linked

14 filings

Confidence

65%

Full breach record for Trinity Petroleum Management, LLC →

Trinity Petroleum Management, LLC, an accounting service provider, reported a data security incident affecting 34 New Hampshire residents. Unauthorized access occurred between October 10 and October 14, 2024. The company retained forensic specialists, reset passwords, implemented MFA, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d21 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 21 weeks / 149 days

Oct 10, 2024

Begins

Oct 14, 2024

Discovered

Dec 18, 2024

Scope determined

Mar 12, 2025

Filed

vs. sector median

+4 wks slower

This filing is one of 14 about the same incident.View merged incident

A leak claim by bianlian about this victim predates this filing by 149 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Montana State AGbd_2bdb9c73c1d54d4f2025-03-12Verified
Oregon State AGbd_89ad939b25b66c122025-03-12Verified
California State AGbd_951943b34ee94f7d2025-03-12Verified
Maine State AGbd_acaab2fe0266a8f02025-03-12Verified

Show 6 more filings ↓up to 11d gap

Washington State AGbd_be780284e9b7e6682025-03-12Verified
Massachusetts State AGbd_cb69f720fb3150222025-03-12Verified
Maryland State AGbd_82c32708f1843a6c2025-03-10 · +2dVerified
Indiana State AGbd_841db753e73b40f12025-03-10 · +2dVerified
Vermont State AGbd_bbdeb712c415d4ca2025-03-10 · +2dVerified
Illinois State AGbd_50c88d9199991d372025-03-01 · +11dVerified

Showing first 10 of 13 linked disclosures.

Name: Trinity Petroleum Management, LLC
norm: trinity petroleum management
Domain: trinitymgt.com

Name: Trinity Petroleum Management, LLC
norm: trinity petroleum management
Domain: trinitymgt.com
Industry: Professional Servicesllm

Discovered: Oct 14, 2024
Breach occurred: Oct 10, 2024 – Oct 14, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: Dec 18, 2024
Notification sent: Feb 13, 2025
Affected individuals: 34state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Took immediate action to secure its network
Engaged outside IT forensic specialists
Retained legal counsel
Notified law enforcement
Set up a dedicated call center
Offered complimentary credit monitoring and identity protection services through TransUnion
Changes made: Initiated a mandatory global password reset
Implemented multi-factor authentication protocols for employees and clients
Supplemented existing end point detection tools with bespoke detection and response monitoring tools
Implementing 24/7 third-party monitoring, management, remediation, and reporting of all end point detection response activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(149 days from discovery to filing)
Compliance flags: Leak >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 · 11 filings · 11 states

View merged incident ↗

Illinois State AGMar 1 · first

Oregon State AG+11d

California State AG+11d

Maine State AG+11d

Washington State AG+11d

Massachusetts State AG+11d

New Hampshire State AG+11d · this page

Pattern: first filing Mar 1 (IL), last Mar 12 (NH) — a 11-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

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/trinity-petroleum-management-20250312.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2025
Raw hash: 9e875d87f4ecdc42fd5bf18306dd2a5cf7266640aff727d8ee542297c45fe03d

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityTrinity Petroleum Management, LLC

Victim entityTrinity Petroleum Management, LLC

Incidentdiscovered Oct 14, 2024

Stated responseTook immediate action to secure its network

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov