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Recent Breaches › LANDSTAR POWER ONTARIO INC Listed by medusa Ransomware Group

HIGH severityUnverified claimHow we verify

LANDSTAR POWER ONTARIO INC Listed by medusa Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·September 26, 2023
LANDSTAR POWER ONTARIO INC Listed by medusa Ransomware Group

Reported September 26, 2023.

HIGH
Severity
September 26, 2023
Disclosed
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The LANDSTAR POWER ONTARIO INC Listed by medusa Ransomware Group (reported September 26, 2023) is an unverified claim; the data involved is undisclosed belonging to roughly unknown people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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LANDSTAR POWER ONTARIO INC, a Canadian firm based in Orangeville, Ontario, was listed by the medusa ransomware group on or around September 26, 2023. Public reporting describes the incident as a ransomware attack in which internal files were allegedly exfiltrated. The number of people affected remains unknown, and wider technical detail has not been disclosed.

Listings of this kind signal a claim that data was taken and may be published if demands are unmet. For a company that buys and resells used batteries and scrap metal, any exposure of internal files raises practical questions for staff, partners, and counterparties even when the full scope is still unconfirmed.

Inside the incident

According to the available record, LANDSTAR POWER ONTARIO INC appeared on medusa’s listings in connection with a ransomware attack involving the exfiltration of internal files. The reported date associated with the listing is September 26, 2023. No public figure has been given for the volume of data, the number of systems involved, or the number of individuals whose information may have been touched.

Method of initial access, dwell time, encryption status of systems, and any negotiation or recovery timeline are undisclosed. The facts state only that internal files were exfiltrated in a ransomware attack and that the organisation was listed by the group. Beyond that claim and the basic company description, public detail is limited.

The group behind it: medusa

Medusa is a known ransomware operation that has appeared repeatedly in public reporting. Groups of this type commonly use double-extortion tactics: they encrypt systems where they can and separately copy data, then threaten to publish the stolen material on a leak site if payment is not made. Medusa has maintained a public-facing listing site on which it names organisations it claims to have compromised and, in some cases, releases sample files or larger archives.

Typical activity associated with such actors includes phishing or exploitation of remote-access services for entry, lateral movement inside a network, theft of files, and deployment of ransomware. Prior public cases linked to medusa have involved organisations across multiple sectors and countries. Those patterns are well documented in open sources; they do not, by themselves, prove the precise steps taken against any single named victim.

In this instance, the group’s listing of LANDSTAR POWER ONTARIO INC should be treated as a claim. The facts do not independently confirm the volume of data taken, the sensitivity of every file, or whether material was later published in full.

LANDSTAR POWER ONTARIO INC and its sector

LANDSTAR POWER ONTARIO INC is described as a Canadian company engaged in the purchase of used batteries and various scrap metal for further resale. Its office is listed at 9 Stewart Ct, Orangeville, Ontario, L9W 3Z9, Canada. Firms in scrap metal, battery recycling, and related secondary-materials trading typically manage supplier and buyer relationships, logistics, weighing and grading records, invoicing, and regulatory or environmental paperwork tied to hazardous or controlled materials such as used batteries.

A breach affecting an organisation in this sector is consequential because internal files can contain commercial terms, contact details for counterparties, shipment and inventory data, and employee or contractor records. Even when the business is not a large consumer-facing brand, disruption or exposure can affect payment flows, supplier trust, and compliance obligations around materials handling.

The information in question

The facts name the exposed material as internal files exfiltrated in a ransomware attack. No further breakdown—such as whether the files included customer lists, employee identifiers, financial statements, contracts, or operational logs—has been publicly detailed in the record provided. The number of people affected is unknown.

Organisations of this kind commonly hold, among other things, business correspondence, accounts payable and receivable data, shipping and receiving records, and personnel or contractor information. That is general sector practice, not a confirmed inventory of what was taken here. Exact contents remain unconfirmed.

What's at stake

For individuals whose details may appear in internal files, risks include unwanted contact, phishing that references real business relationships, and misuse of names, addresses, or payment-related information if such data were present. For the organisation, stakes include operational disruption, strain on partner relationships, potential regulatory notification duties under Canadian privacy rules if personal information was involved, and the longer-term cost of investigating and hardening systems.

Because the scale and precise data types are undisclosed, it is not possible to state how many people face direct exposure or which categories of harm are most likely. The prudent stance is to treat the listing as a serious claim and to watch for secondary fraud attempts that exploit knowledge of the company’s suppliers, customers, or staff.

What to do if you're exposed

If you have reason to believe your information may have been among internal files tied to LANDSTAR POWER ONTARIO INC—whether as an employee, contractor, supplier, or customer—practical first steps include:

Public detail on this incident remains limited. Further confirmation of what was taken, and whether it was published, would come only from additional verified reporting or official notices from the organisation itself.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanyLANDSTAR POWER ONTARIO INC security record
88/100
DoxxScan™ · Low doxx risk
B 83Good record

1 reported incident on record.

See LANDSTAR POWER ONTARIO INC’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by medusa — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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