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Ransomware Victim Construction

JG Stewart Construction

Ransomware attack by Cmdorganization · Disclosed May 2, 2026 · 🇨🇦 Canada

www.jgstewart.ca

Date Disclosed
May 2, 2026
2026
Threat Group
Cmdorganization
43 total victims
Country
🇨🇦 Canada
Industry
Construction

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Cmdorganization. Figures and technique mappings are quoted from the source data, not inferred.

About the Cmdorganization group

CMD is a new kind of company that specializes in corporate system security and in identifying vulnerabilities across all aspects of the software used by a company. CMD operates on a global scale recognizing the critical importance of timeliness and confidentiality. Cmdorganization has listed 43 victims since January 2026.

Incident Analysis

JG Stewart Construction was targeted by Cmdorganization ransomware, one of the most active ransomware groups in our database with 43 confirmed victims globally. The attack was disclosed on May 2, 2026, when JG Stewart Construction appeared on the group's dark web leak site.

JG Stewart Construction is based in Canada , operating in the Construction sector. Canada ranks #3 globally for ransomware attacks, with 907 victims in our database.

Sector context: Construction firms often hold sensitive project data, client financials, and intellectual property. The industry's typically lean IT security teams can make them more vulnerable.

Cmdorganization typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 5, 2026 18:00 UTC.

Frequently Asked Questions

Was JG Stewart Construction attacked by ransomware?

Yes. JG Stewart Construction was listed as a victim of the Cmdorganization ransomware group on May 2, 2026. The organisation is based in Canada and operates in the Construction sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked JG Stewart Construction?

JG Stewart Construction was attacked by Cmdorganization ransomware. Cmdorganization is one of the most active ransomware groups, having claimed 43 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the JG Stewart Construction ransomware attack occur?

The ransomware attack on JG Stewart Construction was disclosed on May 2, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the JG Stewart Construction ransomware attack?

The specific data stolen from JG Stewart Construction has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Construction organisation, JG Stewart Construction likely held sensitive business data, client information, and operational records.

How can organisations protect against Cmdorganization attacks?

To defend against Cmdorganization and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.