Implementing Conduit Security for OT Remote Access When to Use - When replacing direct VPN connections from IT or vendors into OT control networks - When implementing IEC 62443-compliant conduit architecture for remote access paths - When deploying secure remote access for third-party vendor maintenance of ICS equipment - When building approval-based access workflows for privileged OT system access - When remediating audit findings about uncontrolled remote access to SCADA systems Do not use for designing the overall Purdue Model segmentation (see implementing-purdue-model-network-segmentatio…