Keypoints
- The Cicada3301 group claimed to exfiltrate 700 GB of data from C&I Engineering.
- The leaked files include employee salary details, financial documents, and confidential project info.
- The breach could threaten trade secrets, regulatory compliance, and company reputation.
- The leaked data encompasses tax documents, bank statements, and credit card logs.
- The attack highlights the ongoing threat posed by nation-state linked threat actors targeting industrial firms.