CA
Ransomware Victim Healthcare

Canadian Mental Health Association

Ransomware attack by Storm Β· Disclosed August 14, 2026 Β· πŸ‡¨πŸ‡¦ Canada

cmha.ca

Date Disclosed
Aug 14, 2026
2026
Threat Group
Storm
49 total victims
Industry
Healthcare

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.

Canadian Mental Health Association was listed on Storm's dark web leak site on 14 August 2026 - providing mental health services the organization offers advocacy education research and support across Canada.

About Canadian Mental Health Association

The Canadian Mental Health Association provides mental health services and support. The Association offers advocacy, education, research, and services to persons experiencing mental illness throughout Canada and is headquartered in Toronto, Ontario. The company headquarters is located in 595 Montreal Road, Suite 303, Ottawa, ON K1K 4L2 Canada and 250 Dundas Street West, Suite 401, Toronto, ON, M5T 2Z5 Canada. 5K - 10K Employees

Source record: ransomware.live

About the Storm group

Storm has listed 9 victims since August 2026.

Incident Analysis

Canadian Mental Health Association was targeted by Storm ransomware, one of the most active ransomware groups in our database with 49 confirmed victims globally. The attack was disclosed on August 14, 2026, when Canadian Mental Health Association appeared on the group's dark web leak site.

Canadian Mental Health Association is based in Canada , operating in the Healthcare sector. Canada ranks #3 globally for ransomware attacks, with 907 victims in our database.

Sector context: Healthcare organisations are high-value ransomware targets because patient data is extremely sensitive, regulatory penalties for breaches are severe, and operational downtime can threaten patient safety β€” all factors that increase ransom payment pressure.

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 β€” 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 20:00 UTC.

Frequently Asked Questions

Was Canadian Mental Health Association attacked by ransomware?

Yes. Canadian Mental Health Association was listed as a victim of the Storm ransomware group on August 14, 2026. The organisation is based in Canada and operates in the Healthcare sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Canadian Mental Health Association?

Canadian Mental Health Association was attacked by Storm ransomware. Storm is one of the most active ransomware groups, having claimed 49 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Canadian Mental Health Association ransomware attack occur?

The ransomware attack on Canadian Mental Health Association was disclosed on August 14, 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 Canadian Mental Health Association ransomware attack?

The specific data stolen from Canadian Mental Health Association 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 Healthcare organisation, Canadian Mental Health Association likely held patient records, medical data, and personally identifiable information (PII).

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.