HackingEnergy & UtilitiesUtilitiesCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

MUREX PETROLEUM CORPORATION

bd_2d47423519791792 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 27, 2025

Filed

Jan 27, 2026

To disclose

35 weeks

Affected

1state residents only

Linked

9 filings

Confidence

65%

Full breach record for MUREX PETROLEUM CORPORATION →

Murex Petroleum Corporation detected unauthorized access to its network on May 27, 2025. The company secured the network and engaged external cybersecurity professionals. A review determined that files accessed on May 27, 2025, may have contained personal information. Affected individuals are offered complimentary identity monitoring services through Kroll.

J jump to incidentP pin to compareR raw source

Massachusetts clock✗ MA AG >90d35 weeks discovery → filing

Incident timeline

discovery → filing · 35 weeks / 245 days

May 27, 2025

Begins

May 27, 2025

Discovered

Jan 27, 2026

Filed

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

A leak claim by akira about this victim predates this filing by 245 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteakirabd_765558bad22f7e8c2025-06-30 · +211dVerified by operator
Leak Siteakirabd_605df93111f849762025-05-27 · +245dVerified by operator

Regulatory filings (6) · sorted by filing gap

Nebraska State AGbd_15b289258e7374f42026-01-27Candidate
Vermont State AGbd_194759e4e9d2beb12026-01-27Verified
Montana State AGbd_29206e5dd2ea978a2026-01-27Verified
Indiana State AGbd_440672c7f491e9952026-01-27Verified

Show 2 more filings ↓up to 3d gap

Maine State AGbd_c1efa654a1ceba3d2026-01-27Verified
New Hampshire State AGbd_11739785f1f07b5d2026-01-30 · +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 IDPII
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Secured our network
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals experienced in handling these types of incidents
Conducted a thorough review of the potentially impacted data
Secured the services of Kroll to provide identity monitoring at no cost
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(245 days from discovery to filing)
Compliance flags: MA AG >90dLeak >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

Indiana State AGJan 27 · first

Maine State AGJan 27 · first

Massachusetts State AGJan 27 · first · this page

New Hampshire State AG+3d

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://www.mass.gov/doc/2026-123-murex-petroleum-corporation/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 27, 2026
Raw hash: bcd61602166c6ca2bb8d392e616cf38bd1e2bedaf075ce3e2d2dd9cc5bfff3eb

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 responseSecured our network

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov