OT Session Hijacking: Revoking Trusted Engineering Access

A trusted engineering session can become an attack path after session hijacking. Explore the limits of VPN authentication, MFA and session monitoring in brownfield OT. The episode examines how operational authority can be withdrawn before access creates a physical consequence. Related CUP episodes: OT Session Theft: When a Token Bypasses the Jump Host AiTM Phishing: Why MFA Does Not Prevent Session Theft OT Remote Access: Closing the Path When the Work Ends Legacy VPNs in OT: Remote Access and the Cost of Disruption OT Remote Access: Securing the Path to Physical Control Oldsmar Incident: When Maintenance Access Becomes the Attack Path Control Plane Security: When Network Segmentation Is Rewritten Zero Trust in OT: Secure Access Beyond the HMI OT Emergency Access: Designing Secure Break-Glass Operations Oldsmar and OT Remote Access: Questioning Standing Trust