Today’s podcast delves deep into the urgent need for robust physical security within industrial control systems as IT and OT converge. Discussing critical concepts like the six-sided barrier, Physical Security Perimeter, and the intertwining of physical and digital security, we highlight vulnerabilities and considerations necessary for safeguarding essential infrastructures.

• Importance of integrating IT and OT security measures 
• Exploring the six-sided barrier concept for holistic security 
• Defining and securing Physical Security Perimeters (PSP) 
• Consequences of neglecting physical vulnerabilities 
• Integration of physical security with IT networks 
• Industry standards like IEC 62443 for comprehensive security 
• Continuous assessment required for addressing weaknesses 
• The interplay of environmental risks impacting sensitive equipment 
• Key takeaway: holistic approach is necessary for effective security

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