The threat actor interlock has claimed to have compromised Pritchard Brown and Chillicothe Metal Company (CMCO), two prominent US manufacturers specializing in protective enclosures and microclimate control systems, known for their extensive experience and high-profile projects worldwide. The attack potentially impacts their operations across the United States. #USA
Incident Details
- Victim: Pritchard Brown & Chillicothe Metal
- Country: US
- Actor: interlock
- Source: http://5s2rv76limdt3eelmoh2vw6xovckjl563tjdifplvyxezdchcyn5xxyd.onion/index.php?p=
- Discovered: 2025-10-29 06:24:12.624155
- Published: 2025-10-29 06:23:56.814899
Information
- Pritchard Brown and Chillicothe Metal Company (CMCO) collaborate to develop solutions in protective enclosures and microclimate control systems.
- Founded in 1947, Pritchard Brown specializes in custom-designed protective enclosures for harsh environments.
- Chillicothe Metal Company offers protective enclosures and complete generator sets, complementing Pritchard Brownβs offerings.
- CMCO has over 50 years of experience and has completed more than 40,000 projects worldwide across various industries.
- CMCOβs expertise is demonstrated by its work on high-profile projects such as the Statue of Liberty and NASA.

Disclaimer: This post is based on public claims made by the ransomware group "interlock". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.