implementing-conduit-security-for-ot-remote-access

Implements secure conduit architecture for OT remote access under the IEC 62443 zones-and-conduits model, deploying jump servers, MFA gateways, session recording, and approval-based workflows for vendor and engineer access to ICS. Use when replacing direct VPN access into OT networks, securing third-party vendor access to SCADA equipment, or remediating audit findings on uncontrolled OT remote access.