IEC 62443 Zone & Conduit Design, OT Risk & SIS Security

▸ TRITON targeted safety instrumented systems. Colonial Pipeline shut down fuel supply to the US East Coast. Stuxnet destroyed centrifuges.

Every one of these exploited the same gap — operational technology designed for reliability and safety, never hardened for adversarial attack. That gap is your responsibility now.

This course teaches OT cybersecurity the way it applies to control systems, not the way it reads in IT security material.

▸ Built around the design work, not the awareness talk

Plenty of material will tell you OT security matters. This course is about producing the deliverables: a zone and conduit design to IEC 62443-3-2, an OT risk assessment that ties countermeasures to consequence, a hardening approach for systems that cannot simply be rebooted, and a compliance report that will survive an audit.

▸ What you will master

• Zone and conduit design to IEC 62443-3-2 — turning a flat, vulnerable network into a defensible architecture, with security level targets that justify each countermeasure

• OT risk assessment — a structured method identifying consequences, threats and security levels, so spending is driven by risk rather than fashion

• Network security architecture for OT — segmentation, firewalls and the industrial DMZ between control system and enterprise

• Patch management and secure configuration — hardening systems where availability and safety come first

• Supply chain and vendor risk — the attack path most OT programmes never assess

• Cybersecurity for the safety instrumented system — IEC 62443 requirements for the SIS and Clause 8.2.4, where functional safety and security meet

• OT incident response — detecting and responding without making the safety situation worse

• Security audit and compliance reporting — evidencing your security posture to a regulator, insurer or corporate audit

▸ Where functional safety meets cybersecurity

A dedicated lecture covers cybersecurity requirements for safety instrumented systems. If you work to IEC 61511, this is the interface you are increasingly expected to address and one of the least-covered subjects in OT security training.

▸ GICSP exam preparation included

The final section covers the OT cybersecurity topics examined in the GICSP certification, making this useful preparation as well as practical implementation guidance.

▸ What you get

• 12 focused lectures across six sections

• Lifetime access, mobile and TV access, and a certificate of completion

• Udemy's 30-day money-back guarantee

▸ Who this is for

C&I, control and automation engineers responsible for the security of systems they design or maintain. OT security specialists conducting risk assessments and zone-and-conduit design. Functional safety engineers addressing SIS cybersecurity. IT security professionals moving into operational technology. System integrators implementing IEC 62443. And anyone preparing for GICSP.

▸ No prior cybersecurity background is required — the OT security framework is built from the ground up for engineers. No software or licence needed.

Built by a practising engineer with over fifteen years delivering control systems and OT cybersecurity assessments on oil, gas and energy projects, including zone and conduit design on operating plants.

If you carry responsibility for the security of the control systems you build or run, this is where to start.