Ransomware group Storm hits American Casting Company
American Casting Company — a manufacturing target operating in US has been listed by the Storm ransomware group on 2026-09-18. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | American Casting Company |
|---|---|
| Threat Group | Storm |
| Summary | American Casting Company is an ISO 9001 and AS9100 certified investment casting foundry located in Hollister, California, specializing in premier quality investment castings for the aerospace and medical industries. The company offers a variety of castings made from super alloys and other high-performance materials, ensuring the industry's shortest lead times through advanced manufacturing processes, including 3D printing and vacuum melting. Their services include design for manufacturability, NADCAP heat treating, and non-destructive testing, catering to clients in sectors such as medical, aerospace, defense, and industrial applications. With a focus on innovation and quality, American Casting Company commits to delivering precise, durable, and strong investment castings perfect for complex geometries. The company headquarters is located in 205 Apollo Way, Suite A, Hollister, CA 95023, United States. 51-200 Employees |
| Date of Breach | 2026-09-18 |
| Discovery Date | 2026-09-18 |
| Region | US |
| Target Domain | americancastingco.com |
| Business Sector | Manufacturing |
| Severity | MEDIUM |
Claim by Storm
American Casting Company is an ISO 9001 and AS9100 certified investment casting foundry located in Hollister, California, specializing in premier quality investment castings for the aerospace and medical industries. The company offers a variety of castings made from super alloys and other high-performance materials, ensuring the industry's shortest lead times through advanced manufacturing processes, including 3D printing and vacuum melting. Their services include design for manufacturability, NADCAP heat treating, and non-destructive testing, catering to clients in sectors such as medical, aerospace, defense, and industrial applications. With a focus on innovation and quality, American Casting Company commits to delivering precise, durable, and strong investment castings perfect for complex geometries. The company headquarters is located in 205 Apollo Way, Suite A, Hollister, CA 95023, United States. 51-200 Employees
Posted by the Storm threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
americancastingco.com
Leak post (onion / Tor)
http://yqhecvqtdvq6p7duqcgw2qca77spbgakxcoibtx6zpvfshltsbbbhfqd.onion/company/6aaccf0d9f1388101e0e6075
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Disclaimer
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