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Industrial Network Security: OT Cybersecurity & IEC 62443
64 students
Industrial Network Security: OT Cybersecurity & IEC 62443
SCADA, ICS, OSI Model Security, Firewalls, IPsec, Network Segmentation, Cryptography & Critical Infrastructure Defense
Last updated 6/2026
English
What you'll learn
- Apply the OSI 7-layer model to secure industrial control systems and SCADA networks from physical layer through application
- Implement network segmentation strategies aligned with IEC 62443 zones and conduits for OT environment protection
- Configure firewalls, NAT, and IPsec to secure OT/IT network boundaries and encrypted industrial communications
- Detect and prevent common network attacks including ARP spoofing, SYN floods, and DNS cache poisoning in ICS environments
- Deploy network monitoring, IDS, SIEM, and logging tools specifically configured for industrial control system security
- Apply cryptographic techniques including symmetric/asymmetric encryption, hashing, and key management to protect OT systems
- Implement Quality of Service (QoS) traffic prioritization to protect critical industrial communications
- Secure industrial protocols, DNS, NTP, and precision time distribution (PTP/IEEE 1588) in control system networks
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Course content
7 sections • 28 lectures • 7h 15m total length
Requirements
- No prior cybersecurity knowledge required—course builds from networking fundamentals to advanced OT security concepts
- Basic understanding of networks or IT concepts helpful but not essential—all concepts explained from the ground up
- Familiarity with industrial control systems or operational technology environments useful but not mandatory
- Interest in protecting critical infrastructure and pursuing one of cybersecurity's fastest-growing specializations
Description
100% say "valuable information." 100% say "clear explanations." 100% say "engaging delivery." Master industrial network security in this comprehensive 7-hour course with 28 quizzes covering OT cybersecurity from physical layer through cryptographic protocols.
Protect critical infrastructure from cyber threats. From power grids and water systems to manufacturing and oil & gas, operational technology environments face escalating attacks. The Colonial Pipeline incident demonstrated what's at stake. This course gives you the technical foundation to secure industrial control systems, SCADA networks, and OT environments using defense-in-depth strategies mapped to IEC 62443 principles.
WHO THIS IS FOR:
Cybersecurity professionals transitioning from IT security into OT and ICS roles
Control system engineers and SCADA operators wanting to understand network security fundamentals
Network engineers working in critical infrastructure industries like energy, utilities, and manufacturing
IT professionals moving into operational technology security positions
Security analysts responsible for protecting industrial networks from attacks and vulnerabilities
Students pursuing careers in OT cybersecurity, one of the fastest-growing security specializations
WHAT YOU'LL MASTER:
Network Security Foundations:
- Understand the OSI 7-layer model from an industrial security perspective
- Secure physical and data link layers against attacks targeting industrial infrastructure
- Apply switching and routing fundamentals to OT network defense
Network Layer Defense:
- Configure secure IP addressing, routing, and network segmentation for control systems
- Implement IPsec for encrypted industrial communications
- Design firewall rules and NAT configurations for OT/IT boundary protection
- Apply advanced network segmentation strategies aligned with IEC 62443 zones and conduits
Transport & Application Security:
- Protect transport layer communications in industrial environments
- Secure DNS, NTP, and application protocols critical to control systems
- Understand managed vs. unmanaged network security implications
Security Tools & Optimization:
- Implement Quality of Service (QoS) for critical industrial traffic prioritization
- Deploy network monitoring, logging, IDS, and SIEM for OT environments
- Apply network hardening best practices to industrial systems
- Configure precision time protocols (PTP/IEEE 1588) securely
Cryptography for Industrial Systems:
- Apply symmetric and asymmetric cryptography to protect industrial communications
- Implement hashing and digital signatures for data integrity
- Manage cryptographic keys and protocols in control system environments
CURRICULUM HIGHLIGHTS:
Section 1: Introduction to Network Security Context (3 lectures + 3 quizzes)
Section 2: Physical and Data Link Layers (5 lectures + 5 quizzes)
Section 3: Network Layer - Routing and IP Security (6 lectures + 6 quizzes)
Section 4: Transport and Application Layers (4 lectures + 4 quizzes)
Section 5: Network Optimization and Security Tools (7 lectures + 7 quizzes)
Section 6: Cryptography and Network Security (3 lectures + 3 quizzes)
COMPLETE LEARNING PACKAGE:
- 7+ hours of focused video covering industrial network security comprehensively
- 28 lectures with quiz after every lecture to reinforce learning
- OSI layer-by-layer approach tailored specifically for ICS/SCADA environments
- Real-world attack vectors and defense strategies mapped to MITRE ATT&CK for ICS
- Certificate of completion for your professional development
WHY THIS COURSE WORKS:
Industrial Focus: Every concept is applied to OT environments—not generic IT security repackaged for industry.
Structured Learning: OSI layer-by-layer approach builds comprehensive understanding from physical infrastructure through cryptographic protocols.
Quiz Reinforcement: Test your knowledge after every lecture with 28 quizzes ensuring concepts stick.
Career Pathway: Builds foundation for IEC 62443, GICSP, and ISA certifications commanding $90K-$160K salaries.
Enroll now and master the skills protecting the world's most critical infrastructure.
Who this course is for:
- Cybersecurity professionals transitioning from IT security into operational technology and ICS security roles
- Control system engineers, technicians, and SCADA operators wanting to understand network security fundamentals
- Network engineers working in critical infrastructure industries like energy, utilities, oil & gas, and manufacturing
- IT professionals moving into operational technology security positions in industrial environments
- Security analysts responsible for protecting industrial networks, control systems, and critical infrastructure
- Students pursuing careers in OT cybersecurity seeking foundational knowledge for GICSP and IEC 62443 certifications