OT Remote Access: Closing the Path When the Work Ends

A closed work order does not automatically close the corresponding network access. Explore the gap between physical maintenance state and OT remote-access authorization. The episode examines exposed engineering paths and the limits of controls that cannot see whether the work has ended. Related CUP episodes: OT Session Hijacking: Revoking Trusted Engineering Access Invisible Conduits: The Control Plane Siege OT Session Theft: When a Token Bypasses the Jump Host Legacy VPNs in OT: Remote Access and the Cost of Disruption Engineer the Path, Not Just the Perimeter 02:00 AM Panic: Does "Break-Glass" Mean "Break-Security"? When Maintenance Becomes the Weapon: The Oldsmar Incident Zero Trust in OT: Secure Access Beyond the HMI The Illusion of MFA: AiTM Phishing and Session Token Theft Oldsmar Was About Standing Trust