OT Cybersecurity That Works: Defense in Depth, AI Risks & Protecting Critical Infrastructure

Podcast: PrOTect It All (LS 27 · TOP 10% what is this?)Episode: OT Cybersecurity That Works: Defense in Depth, AI Risks & Protecting Critical InfrastructurePub date: 2026-06-29Get Podcast Transcript →powered by Listen411 - fast audio-to-text and summarizationWhen it comes to OT cybersecurity, the fundamentals still matter - even in the age of AI. In this episode of Protect It All, host Aaron Crow sits down with Caleb Davis for a practical discussion on securing industrial environments where uptime, safety, and resilience are non-negotiable. From legacy control systems and tight budgets to AI-powered threats and open-source security tools, Aaron and Caleb explore the real challenges organizations face every day - and the strategies that deliver meaningful protection without requiring massive investments. A major focus of the conversation is defense in depth: building multiple layers of protection, fostering trust between IT and OT teams, and strengthening foundational cybersecurity practices before chasing the latest technology. You'll learn: Why defense in depth remains the cornerstone of OT cybersecurity How to improve security in legacy industrial environments Practical ways to strengthen OT security - even with limited budgets Why asset inventory, segmentation, and basic cyber hygiene still matter most How AI is changing both offensive and defensive cybersecurity The importance of trust and collaboration between IT, engineering, and operations Whether you're responsible for manufacturing, utilities, water treatment, energy, or any critical infrastructure environment, this episode delivers practical strategies you can apply immediately. Tune in to learn how layered defenses, strong relationships, and proven fundamentals create resilient OT security programs - only on Protect It All. Key Moments:  05:41 PLCs and network security challenges 07:24 Challenges in Updating OT Systems 11:33 Impact of Downtime on Security 16:03 Using affordable cybersecurity tools 19:14 Building Trust in Business Deals 23:01 Security challenges in medical devices 25:49 Trust and IT implementation risks 28:35 Using AI for safer software updates 31:05 Cybersecurity best practices for plants 33:40 Balancing Security Costs and Business Needs 37:50 Nurturing OT like raising kids 41:20 AI and cybersecurity concerns About the guest : Caleb Davis is a founding member of SolaSec, a cybersecurity consulting firm specializing in advanced penetration testing for embedded and connected systems. Based in Dallas/Fort Worth, he holds a degree in Electrical Engineering from the University of Texas at Tyler and is a patent-holding expert with vast experience in hardware and firmware security. Caleb leads deep technical assessments across a range of high-impact industries, including medical devices, automotive, industrial control systems, ATMs and financial terminals, aerospace components, and consumer electronics. His work focuses on secure design, trusted boot processes, cryptographic implementations, and threat modeling, helping organizations integrate security throughout the development lifecycle and align with industry and regulatory standards. How to connect Celeb : SolaSec: https://solasec.io  LinkedIn: https://www.linkedin.com/in/caleb-davis-400439100/  OTPCAP (OT PCAP analysis tool): https://github.com/SolaSec/otpcap Learn more about PrOTect IT All: Email: [email protected]  Website: https://protectitallpod.com/ep111 X: https://twitter.com/protectitall  YouTube: https://www.youtube.com/@PrOTectITAll  FaceBook:  https://facebook.com/protectitallpodcast To be a guest or suggest a guest/episode, please email us at [email protected] Please leave us a review on Apple/Spotify Podcasts: Apple   - https://podcasts.apple.com/us/podcast/protect-it-all/id1727211124 Spotify - https://open.spotify.com/show/1Vvi0euj3rE8xObK0yvYi4The podcast and artwork embedded on this page are from Aaron Crow | Operational Technology & Cybersecurity Host, which is the property of its owner and not affiliated with or endorsed by Listen Notes, Inc.