In this episode of The Bottom Line Up Front, insights from a webinar presented by Cam Cullen, CMO for BlastWave, are distilled. The discussion centers on constructing a defensible architecture with a focus on remote access for third-party OT vendors, addressing vulnerabilities such as the "South Attack Vector" and the increasing role of AI agents. Key points include the breakdown of traditional air gapping, the rise of CVEs in OT systems and security devices, and practical controls for improving security, such as replacing passwords with cryptographic keys and implementing micro-segmentation. Additional highlighted vulnerabilities are showcased through cases like the Oldsmar facility and the Target breach. The discussion extends to securing AI and cloud edges, aligning with federal and military zero trust principles, and concludes with a phased implementation strategy for a zero trust OT environment.

00:00 Introduction 00:38 The Broken Air Gap and Remote Maintenance 01:33 Security Vulnerabilities and Exploits 02:31 Case Studies: Real-World Incidents 02:54 Practical Security Controls 03:55 Comprehensive Network Protection 04:04 Microsegmentation and Device-Level Security 04:51 Hardening Remote Access and Onsite Controls 05:21 AI, Cloud Edges, and Zero Trust Principles 05:50 Federal and Military Alignment 07:36 Implementation Playbook for Zero Trust OT Strategy 08:46 Conclusion and Call to Action

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