• views: 158
• date: 5 May 2026
• posted by: 0nelove

Master OT/ICS security — Modbus, DNP3, S7, OPC UA, hands-on labs, attack timelines, and GICSP exam prep.
What you'll learn
Understand OT/ICS architecture and how SCADA, PLC, and DCS systems differ from traditional IT environments.
Read industrial protocols on the wire: Modbus, DNP3, Siemens S7, and OPC UA, packet by packet using Wireshark.
Build a complete OT home lab with VirtualBox, OpenPLC, and Wireshark to practice realistic attacks and defenses.
Analyze major OT incidents (Stuxnet, Ukraine, Industroyer, Triton, Colonial Pipeline) and apply the lessons learned.
Apply your existing IT security skills (firewalls, segmentation, IDS, IR) to operational technology environments.
Requirements
Basic IT or networking knowledge (TCP/IP, firewalls, OSI model) — no prior OT or industrial experience required.
A computer (Windows, Mac, or Linux) capable of running VirtualBox with at least 8 GB of RAM is strongly recommended.
Description
"This course contains the use of artificial intelligence."
Welcome to the most practical OT and ICS security course on Udemy, designed specifically for IT professionals who want to step confidently into the world of operational technology. Industrial Control Systems power our electricity, water, oil, gas, manufacturing, and transportation. They are everywhere, they are increasingly under attack, and the security skills needed to defend them are dramatically different from traditional IT.
From Stuxnet to the Ukraine grid attacks, Industroyer, Triton, Colonial Pipeline, and FrostyGoop, every major incident has shown that the world urgently needs more defenders who understand both worlds. This course gives you that bridge in just six focused hours, organized into 12 clear sections and 80 engaging lectures.
You will learn how to read industrial protocols on the wire — Modbus, DNP3, Siemens S7, and OPC UA — packet by packet. You will map any plant to the Purdue Reference Model, design Industrial DMZs with zones and conduits, and apply the IEC 62443, NIST SP 800-82, NERC CIP, and EU NIS2 standards in practice. You will build a complete home lab on your own machine using VirtualBox, OpenPLC, ConPot, ModbusPal, Wireshark with ICS dissectors, Zeek with ICS parsers, and GRFICSv2, then walk through realistic attacks and defenses.
Who is this course for? IT security professionals, SOC analysts, network and cloud engineers, and career changers who want a high-demand specialization. By the end you will be ready for the GICSP, qualify for junior OT security roles, and confidently help your organization protect its most critical infrastructure. Every student also receives 11 downloadable resources, including a 40-page home-lab setup guide, ICS protocol cheat sheets, an incident response playbook, a 90-day learning plan, and a glossary of 120 OT/ICS terms. Enroll now and start protecting the systems where bits truly meet atoms.
Who this course is for
Cloud engineers, network specialists, and DevOps practitioners moving into industrial cybersecurity.
IT security professionals and SOC analysts who want to extend their skills into OT/ICS environments.
Career changers and recent IT graduates seeking a high-demand specialization in OT/ICS security.



   
   
   

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