Pritchard Brown Falls Victim to INTERLOCK Ransomware

🏭 About Pritchard Brown

Pritchard Brown Inc., a long-established U.S. manufacturer, specializes in custom metal fabrication and industrial enclosure design. The company’s products are widely used across construction and energy sectors, including HVAC systems and mobile power equipment housings.

On October 29 2025, the INTERLOCK ransomware group allegedly compromised the company’s systems, leaking a massive 1.3 TB dataset containing more than 1.7 million documents across over 200 000 folders.

⚠ Disclaimer

This report includes actual screenshots and/or text that may include unredacted personally identifiable information (PII) obtained from publicly available sources. The sensitive information presented within this report is intended solely for cybersecurity awareness and threat-intelligence purposes.

📌 Overview

INTERLOCK claims to have exfiltrated 1.3 TB of confidential corporate data, including technical blueprints, project documentation, engineering designs, internal correspondence, and customer contracts.

The threat actor described the compromise as a full breach of internal servers and cloud archives containing years of manufacturing data. No ransom amount has been publicly disclosed.

📊 Key Details