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The ICS Practitioners Security (ICS203) course is a practical, hands-on training program designed to equip professionals with the fundamental skills required to secure Industrial Control Systems (ICS) and Operational Technology (OT) environments. Through guided demonstrations, interactive labs, and real-world case scenarios, participants learn how ICS assets operate, how they are targeted by adversaries, and what defensive measures are necessary to strengthen operational resilience. This course also prepares candidates to take the ICS-203 certification exam, and provides official certification upon successful completion.
Prepares for Exam:
ICS Practitioners Security Exam ICS203
Prepares for Certification:
ICS Practitioners Security Certification
Overview
ICS Practitioners Security (ICS203) provides a comprehensive foundation in industrial cybersecurity by introducing participants to the architecture, communication protocols, and security challenges found within modern ICS/OT ecosystems. The course focuses on actionable skills—such as identifying OT vulnerabilities, applying secure engineering principles, segmenting industrial networks, and detecting early-stage threats—to ensure participants can secure their operational environments effectively. Unlike purely theoretical cybersecurity programs, ICS203 emphasizes immersive, hands-on learning that replicates real industrial environments. Participants use practical tools, engage with realistic ICS simulations, and work through operational security scenarios that mirror the challenges found in critical infrastructure, manufacturing, utility environments, and other industrial sectors. Upon completion, participants are ready to confidently approach the ICS-203 exam and earn their certification.
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Who is this course for?
This course is designed for engineers, operators, technicians, security professionals, and IT staff who interact with or support industrial control systems. It is also ideal for professionals transitioning into ICS or OT security who need a practical foundation in safeguarding industrial environments. Whether your role involves maintaining equipment, monitoring networks, or ensuring operational continuity, this course helps you strengthen and defend ICS systems with real-world techniques.
Curriculum
Preparation
At Readynez, we provide many resources and have experienced experts in the field. That is why we are also very successful with many satisfied customers. You can therefore safely take your course with us. Our course participants come from varied backgrounds and have different attributes. There are no specific prerequisites for this course, but to ensure that you have the best possible chances of benefitting from the course, we are available for you to discuss your goals and general expectations to your learning and results.
Meet some of the Readynez Instructors you can meet on your course. They are experts, passionate about what they do, and dedicated to give back to their industry, their field, and those who want to learn, explore, and advance in their careers.
Tim Harwood is a highly experienced, certified Security Workforce and Capability Development leader with over 45 years of expertise in the intelligence and security arena.
FAQ
ICS Practitioners Security (ICS203) is a hands-on industrial cybersecurity training program that teaches foundational skills for securing ICS and OT systems. It also prepares participants to take the ICS-203 exam and earn the official certification.
Preparation includes reviewing basic ICS concepts, familiarizing yourself with common OT communication protocols, and revisiting foundational cybersecurity principles. Although no advanced preparation is required, a general understanding of industrial environments will help you benefit more from the course.
There are no strict prerequisites. However, having basic knowledge of networking, cybersecurity, or industrial systems will make it easier to follow the hands-on scenarios and prepare effectively for the ICS-203 exam.
The ICS203 course costs €1,990, which includes all course materials, instructor-led training, practical labs, and preparation for the ICS-203 certification exam.
Topics include OT threat landscapes, ICS architecture fundamentals, industrial communication protocols, vulnerability identification, hardening techniques, segmentation strategies, monitoring essentials, and practical defensive skills aligned with ICS-203 exam objectives.
Yes. The ICS-203 certification is recognized across critical infrastructure, manufacturing, utilities, and other industrial sectors. It validates practical OT security skills that are increasingly in demand as industrial environments face rising cyber threats.
The course is delivered over a compact 2-day training period designed to provide intensive, hands-on ICS security knowledge in a short timeframe.
Yes. The course is available both online and in person, depending on the training provider. Online sessions include virtual labs and interactive instructor-led teaching to ensure a full learning experience.
The course is designed to be accessible even for newcomers to industrial security. The practical labs help simplify complex concepts, while experienced professionals will appreciate the depth and real-world relevance of the material—all aligned to prepare you for the ICS-203 exam.
Stay updated with ICS advisories, practice with OT security tools, participate in industry communities, and follow developments in critical infrastructure cybersecurity. Applying course principles in daily work further reinforces your ICS-203 certification competencies.
Professionals holding ICS-203 certification typically earn between €60,000 and €120,000 annually, depending on experience, industry, and country. Roles in critical infrastructure security often offer higher compensation due to the specialized skill set.
Reviews
Easy to attend over Teams and an excellent instructor gave me great value for the time I invested.
Readynez is the best training provider I've used for many years. Their customer service is first class, prices are very competitive and instruction excellent.
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