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Ransomware Victim Manufacturing

Flexmaster

Ransomware attack by Storm · Disclosed September 9, 2026 · 🇨🇦 Canada

Date Disclosed
Sep 9, 2026
2026
Threat Group
Storm
53 total victims
Country
🇨🇦 Canada
Industry
Manufacturing

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.

About Flexmaster

Flexmaster, part of the Novaflex Group, specializes in a wide range of flexible ducting solutions including aluminum, stainless steel, and fabric ducting. Their product offerings also include innovative systems like the Platinum Flow gasketed duct and fume vent solutions. The company caters to various clients in the HVAC industry, providing essential accessories and insulation products. Flexmaster is committed to delivering high-quality, reliable ducting systems for diverse applications. The company headquarters is located in 20 East Pearce Street, Richmond Hill, ON L4B 1B7, Canada. 201-500 Employees

Source record: ransomware.live

About the Storm group

Storm has listed 49 victims since August 2026.

Incident Analysis

Flexmaster was targeted by Storm ransomware, one of the most active ransomware groups in our database with 53 confirmed victims globally. The attack was disclosed on September 9, 2026, when Flexmaster appeared on the group's dark web leak site.

Flexmaster is based in Canada , operating in the Manufacturing sector. Canada ranks #3 globally for ransomware attacks, with 914 victims in our database.

Sector context: Manufacturing companies are frequently targeted because production downtime directly translates to financial loss. Ransomware operators exploit this time-sensitivity to demand higher ransoms and faster payment.

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 10, 2026 02:00 UTC.

Frequently Asked Questions

Was Flexmaster attacked by ransomware?

Yes. Flexmaster was listed as a victim of the Storm ransomware group on September 9, 2026. The organisation is based in Canada and operates in the Manufacturing sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Flexmaster?

Flexmaster was attacked by Storm ransomware. Storm is one of the most active ransomware groups, having claimed 53 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Flexmaster ransomware attack occur?

The ransomware attack on Flexmaster was disclosed on September 9, 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 Flexmaster ransomware attack?

The specific data stolen from Flexmaster 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 Manufacturing organisation, Flexmaster 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.