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Listed on a ransomware leak site

Cosmon

cosmon.com

Cosmon was listed on the Beast leak site on Aug 19, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
Beast
First listed
Aug 19, 2026
Claims recorded
1

Leak-Site Claim.

BeastConfirmed claim
Posted on the leak site
Aug 19, 2026
Collected by Brandefense
Aug 25, 2026
Data claimed
2 TB
Leak-site post text, written by the group
Cosmon develops agentic artificial intelligence software for mechanical engineering workflows, centered on its Nexus product for CAD, CAE, simulation, and PLM tasks. Its website presents the company as a software provider whose platform automates drawing creation, simulation setup, troubleshooting, design validation, and product lifecycle data tasks while integrating directly with major engineering tools. Although the offering is deeply technical and tailored to engineering environments, the core business shown is the development and delivery of proprietary engineering software rather than…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.