Explore a detailed security analysis of industrial VPN gateways in this 18-minute DEF CON conference talk that exposes critical vulnerabilities in widely-used remote access solutions. Dive into the process of rooting devices, bypassing hardware security modules, and reverse engineering software and firmware components. Learn how identified vulnerabilities enable session hijacking in industrial networks, creating significant security risks for operational technology systems. Gain insights into the architectural weaknesses that make these crucial infrastructure components attractive targets for threat actors, particularly in environments where remote access to industrial systems is essential.