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Cybersecurity for Industrial Systems
A Practical Guide to Protect OT, ICS, and SCADA Environments
A practical reference for securing real-world OT, ICS and SCADA environments.Roadmap for engineers, CISOs, and consultants to master industrial cybersecurity.
Learn to secure ICS, SCADA, and Industry 4.0 environments, apply IEC 62443 & NIS 2, and build robust defense-in-depth architectures—from real-world attack analysis to practical incident response.
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About
About the Book
In a world where critical infrastructure has become the primary target of cyberattacks, industrial cybersecurity is no longer an option—it is a strategic imperative.
Synthesizing 27 years of hands-on expertise in IT/OT architecture, this comprehensive, structured, and operational reference book bridges the gap between strict regulatory requirements and on-the-ground operational reality. It provides the technical foundations, real-world attack analyses, international standards, and practical methods needed to secure ICS, SCADA, DCS, PLC, OT, and Industry 4.0 environments.
Written for engineers, technicians, IT/OT consultants, CISOs, and critical infrastructure operators, this extensive 750-page guide offers a clear, detailed, and immediately actionable vision of industrial cyber-resilience.
What you will learn in this book:
- Industrial systems explained simply : SCADA, ICS, DCS, PLC, HMI, and real-time networks. Understand their architectures, protocols, and vulnerabilities.
- Major OT cyberattacks analyzed in depth : Stuxnet, BlackEnergy, Triton/Trisis, and Colonial Pipeline. Understand how they work, what they compromised, and the critical lessons to be learned.
- Building a robust Defense-in-Depth : Network segmentation, zones & conduits, the Purdue model, industrial firewalls, OT IDS/IPS, endpoint hardening, whitelisting, access policies, and OT zero-trust.
- Mastering standards and frameworks : ISA/IEC 62443, NIST SP 800-82, the NIS 2 directive (requirements and resilience), ISO 27001/27019, and NERC CIP.
- Securing modern environments : IIoT, connected sensors, the industrial cloud, digital twins, virtualization, and Industry 4.0.
Your included field and assessment tools:
- Detailed case studies : Real-world industrial intrusion scenarios to help you understand attack mechanics and design appropriate remediation strategies.
- Self-assessment mini-quizzes : Quick built-in tests to validate your knowledge and technical skill acquisition as you read.
- Essential checklists for OT audits : Network security, PLCs, HMIs, access management, SCADA hardening, and physical security.
- Complete OT incident response playbook : Decision trees, containment, OT forensics, system restoration, crisis management, and emergency procedures.
Why is this book different?
Unlike purely theoretical texts, this guide delivers concrete case studies, real-world architectures, immediately applicable procedures, validation quizzes, and a comprehensive analysis of modern regulatory standards. It is designed to be both an everyday operational tool and a definitive academic reference.
Whether you are an engineer, a decision-maker, or part of an organization subject to the NIS 2 directive, you will find all the keys you need to protect your industrial systems and strengthen your cyber-resilience.
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About the Author
Houari Oucif
Houari OUCIF is a senior engineer and IT manager specializing in information systems and industrial cybersecurity. With over 27 years of experience designing and managing IT and OT (Operational Technology) architectures, he has dedicated the past decade exclusively to safeguarding SCADA systems, DCS, programmable logic controllers (PLC/RTU), and critical industrial networks.
As a hands-on architect and field practitioner, he specializes in network segmentation (the Purdue model), regulatory compliance (notably the IEC 62443 standard and the NIS 2 directive), and the complexities of IT/OT convergence. Through his writing, he delivers a highly practical and structured approach to help engineers, CISOs, and plant operators secure their physical assets against modern cyber threats.
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