OT Cybersecurity for Beginners: ICS, SCADA & PLC Security Explained (Complete 2026 Guide)

Complete crash course on OT Cybersecurity — the fastest-growing career in industrial engineering. From IT vs OT differences to implementing a 6-step security strategy for industrial control systems.

🔒 What you'll learn:
• IT vs OT Security: why they're fundamentally different
• Key terms: SCADA, PLC, DCS, HMI, ICS
• 6-step OT Security Implementation Framework
• Network segmentation and the Purdue Model
• Incident response for industrial environments
• Career paths: Analyst, Engineer, Architect
• Best certifications: GICSP, ISA/IEC 62443

⏱️ Timestamps:
00:00 - Introduction to OT Cybersecurity
00:40 - What is Operational Technology (OT)?
01:37 - Key Terminology: ICS, SCADA, PLC, DCS & HMI Explained
03:25 - IT vs OT: Threat Vectors & Vulnerabilities
04:28 - ICS Architecture: Sensors, Controllers & Actuators
07:06 - How to Implement OT Security (6 Step Framework)
07:49 - Network Segmentation & Air Gapping
09:18 - Incident Response Planning for Industry
10:27 - Required Skills & Career Roles (Analyst, Engineer, Architect)
11:25 - Best OT Certifications: GICSP, OSCP, ISA/IEC 62443

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