MalwareEnergy & UtilitiesUtilitiesRansomwareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

MUREX PETROLEUM CORPORATION

bd_11739785f1f07b5d · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 27, 2025

Filed

Jan 30, 2026

To disclose

35 weeks

Affected

1state residents only

Linked

9 filings

Confidence

66%

Full breach record for MUREX PETROLEUM CORPORATION →

Murex Petroleum Corporation experienced a ransomware incident on May 27, 2025, resulting in unauthorized access to its network. The company contained the threat and engaged external cybersecurity professionals. A manual review determined that personal information, including name and tax identification number, of one New Hampshire resident was potentially accessed or removed. The company notified the affected individual and credit bureaus in January 2026 and offered complimentary credit monitoring.

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Leak gap clock✗ Leak >180d35 weeks discovery → filing

Incident timeline

discovery → filing · 35 weeks / 248 days

May 27, 2025

Begins

May 27, 2025

Discovered

Jan 30, 2026

Filed

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteakirabd_765558bad22f7e8c2025-06-30 · +214dVerified by operator
Leak Siteakirabd_605df93111f849762025-05-27 · +248dVerified by operator

Regulatory filings (6) · sorted by filing gap

Nebraska State AGbd_15b289258e7374f42026-01-27 · +3dCandidate
Vermont State AGbd_194759e4e9d2beb12026-01-27 · +3dVerified
Montana State AGbd_29206e5dd2ea978a2026-01-27 · +3dVerified
Massachusetts State AGbd_2d474235197917922026-01-27 · +3dVerified

Show 2 more filings ↓up to 3d gap

Indiana State AGbd_440672c7f491e9952026-01-27 · +3dVerified
Maine State AGbd_c1efa654a1ceba3d2026-01-27 · +3dVerified

Name: MUREX PETROLEUM CORPORATION
norm: murex petroleum
Domain: murexpetroleum.com

Name: MUREX PETROLEUM CORPORATION
norm: murex petroleum
Domain: murexpetroleum.com
Industry: Energy & Utilitiesllm

Discovered: May 27, 2025
Breach occurred: May 27, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 27, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the New Hampshire Attorney General

During the incident: Contained the threat by disabling all unauthorized access to the network
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals experienced in handling these types of incidents
Conducted a thorough and detailed manual review of all the data contained on the impacted servers
Notified major credit reporting agencies including Experian, TransUnion, and Equifax
Provided written notice to potentially impacted individuals on or about January 27, 2026
Changes made: Continues to evaluate and improve, where appropriate, its administrative and technical safeguards
Training its employees on best practices related to cybersecurity, policies, procedures, and protocols, and tools to protect its network environment
Offering the resident a complimentary membership with a credit monitoring service
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(248 days from discovery to filing)
Compliance flags: Leak >180d
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 · 7 filings · 7 states

View merged incident ↗

Nebraska State AGJan 27 · first

Vermont State AGJan 27 · first

Montana State AGJan 27 · first

Massachusetts State AGJan 27 · first

Indiana State AGJan 27 · first

Maine State AGJan 27 · first

New Hampshire State AG+3d · 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/murex-petroleum-corporation-20260130.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 30, 2026
Raw hash: d1bbf7637863e20572a68695262682e200bc88d63700cdf2a874f52e5eef8beb

Linked disclosures

Ransomware claims (2)

Regulatory filings (6) · sorted by filing gap

Reporting entityMUREX PETROLEUM CORPORATION

Victim entityMUREX PETROLEUM CORPORATION

Incidentdiscovered May 27, 2025

Stated responseContained the threat by disabling all unauthorized access to the network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov