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Ransomware Victim Other

Manroc Developments

Ransomware attack by Storm · Disclosed September 21, 2026 · 🇨🇦 Canada

manroc.com

Date Disclosed
Sep 21, 2026
2026
Threat Group
Storm
64 total victims
Country
🇨🇦 Canada
Industry
Other

ThreatAI Analysis

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

On 21 September 2026, Storm listed Manroc Developments on its dark web leak site. The company is a leading full-service mining contractor specializing in Alimak Raise Mining.

About Manroc Developments

Manroc Developments Inc. is a leading full-service mining contractor specializing in the Alimak Raise Mining process, with over 30 years of experience in the industry. The company serves the international mining community, having completed over 70 projects across four continents and driven more than 65,000 lateral development meters. Headquartered in Manitouwadge, Ontario, Manroc is committed to building long-term relationships with clients by delivering on promises and ensuring project success through experienced personnel. They also offer a comprehensive training program to support career development in the mining sector. The company headquarters is located in 7 Black Road, Manitouwadge, ON P0T 2C0, Canada. 201-500 Employees

Source record: ransomware.live

About the Storm group

Storm has listed 49 victims since August 2026.

Incident Analysis

Manroc Developments was targeted by Storm ransomware, one of the most active ransomware groups in our database with 64 confirmed victims globally. The attack was disclosed on September 21, 2026, when Manroc Developments appeared on the group's dark web leak site.

Manroc Developments is based in Canada , operating in the Other sector. Canada ranks #3 globally for ransomware attacks, with 922 victims in our database.

Sector context: Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.

Storm 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 22, 2026 02:00 UTC.

Frequently Asked Questions

Was Manroc Developments attacked by ransomware?

Yes. Manroc Developments was listed as a victim of the Storm ransomware group on September 21, 2026. The organisation is based in Canada and operates in the Other sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Manroc Developments?

Manroc Developments was attacked by Storm ransomware. Storm is one of the most active ransomware groups, having claimed 64 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Manroc Developments ransomware attack occur?

The ransomware attack on Manroc Developments was disclosed on September 21, 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 Manroc Developments ransomware attack?

The specific data stolen from Manroc Developments 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 Other organisation, Manroc Developments likely held sensitive business data, client information, and operational records.

How can organisations protect against Storm attacks?

To defend against Storm 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.