implementing-iec-62443-security-zones

Designs security zones and conduits for industrial control systems (IACS) per IEC 62443-3-2 — risk-based zone partitioning, Security Level target (SL-T) assignment, conduit controls, and firewall microsegmentation validated against the Purdue Reference Model. Use when designing OT network zones for a new facility, retrofitting zones into a flat OT network, or upgrading VLAN-only segmentation for IEC 62443-3-2…