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Collge Mont Notre-Dame de Sherbrooke

Ransomware attack by Cmdorganization · Disclosed July 30, 2026 · 🇨🇦 Canada

www.lemont.ca

Date Disclosed
Jul 30, 2026
2026
Threat Group
Cmdorganization
43 total victims
Country
🇨🇦 Canada
Industry
Education

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 Collge Mont Notre-Dame de Sherbrooke

Le Mont Notre-Dame is a private secondary school for girls located in Sherbrooke, specializing in international education. With over 160 years of experience, it offers a unique pedagogy that emphasizes female success and empowerment. The school provides a wide range of programs, including arts, languages, and sports, fostering creativity and engagement among its students. Its state-of-the-art facilities and commitment to student life create a warm and welcoming environment for learning

Source record: ransomware.live

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

Collge Mont Notre-Dame de Sherbrooke 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 July 30, 2026, when Collge Mont Notre-Dame de Sherbrooke appeared on the group's dark web leak site.

Collge Mont Notre-Dame de Sherbrooke is based in Canada , operating in the Education sector. Canada ranks #3 globally for ransomware attacks, with 916 victims in our database.

Sector context: Educational institutions often have under-resourced IT security teams and hold large amounts of student and faculty personal data, making them attractive targets for ransomware groups.

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 13, 2026 14:00 UTC.

Frequently Asked Questions

Was Collge Mont Notre-Dame de Sherbrooke attacked by ransomware?

Yes. Collge Mont Notre-Dame de Sherbrooke was listed as a victim of the Cmdorganization ransomware group on July 30, 2026. The organisation is based in Canada and operates in the Education sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Collge Mont Notre-Dame de Sherbrooke?

Collge Mont Notre-Dame de Sherbrooke 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 Collge Mont Notre-Dame de Sherbrooke ransomware attack occur?

The ransomware attack on Collge Mont Notre-Dame de Sherbrooke was disclosed on July 30, 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 Collge Mont Notre-Dame de Sherbrooke ransomware attack?

The specific data stolen from Collge Mont Notre-Dame de Sherbrooke 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 Education organisation, Collge Mont Notre-Dame de Sherbrooke likely held student and faculty personal data and academic 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.