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Cyber Threat
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Ransomware victim

Camandona SA

Listed by Majinahanashi on · organisation based in Switzerland

camandona.ch

Disclosed
Oct 10, 2026
Leak-site listing date
Threat group
Majinahanashi
42 victims listed
Country
Switzerland
#13 most targeted
Sector
Not recorded

ThreatAI analysis

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

Camandona SA was listed on Majinahanashi's dark web leak site on 10 October 2026. The Swiss construction firm specializes in asphalt paving, road construction and civil engineering.

About Camandona SA

Camandona SA is a major Swiss construction and road-building company founded in 1948 and based in the French-speaking canton of Vaud. It specializes in asphalt paving, road construction, civil engi...

Source record: ransomware.live

About the Majinahanashi group

Majinahanashi has listed 22 victims since June 2026.

Incident analysis

Camandona SA was listed by Majinahanashi ransomware, a group with 42 victims recorded in this database. The listing appeared on the group's leak site on October 10, 2026.

Camandona SA is based in Switzerland. Switzerland ranks #13 worldwide for ransomware disclosures, with 218 victims in this database.

Majinahanashi typically follows a double extortion model: data is exfiltrated from the victim's systems before files are encrypted, so the victim faces two demands at once — pay to restore access, and pay to keep stolen data unpublished. The leak site, where this listing appeared, is the lever for the second demand.

Source. Public leak-site disclosures aggregated via the ransomware.live API. The disclosure date is when the listing was published, which can differ from the date of compromise. This site does not publish or link to stolen data. Last updated .

Frequently asked questions

Was Camandona SA attacked by ransomware?

Yes. Camandona SA was listed as a victim of the Majinahanashi ransomware group on October 10, 2026. The organisation is based in Switzerland. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Camandona SA?

Camandona SA was attacked by Majinahanashi ransomware. Majinahanashi is one of the most active ransomware groups, having claimed 42 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Camandona SA ransomware attack occur?

The ransomware attack on Camandona SA was disclosed on October 10, 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 Camandona SA ransomware attack?

The specific data stolen from Camandona SA 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. Sensitive business data was likely targeted.

How can organisations protect against Majinahanashi attacks?

To defend against Majinahanashi 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.