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OT Edge Security, Done Right: RAD’s IoT Solution with Rhebo Anomaly Detection - Ep 6
In this episode of Your Network’s Edge: The RAD Way, we explore how modern critical infrastructure environments, like power substations, distributed energy resources, and remote industrial sites face a growing challenge: lack of visibility at the network edge. While connectivity has improved with fiber, 4G and 5G, many operators still struggle to understand what is actually happening inside their OT environments, creating dangerous blind spots that attackers can exploit.
We explore how integrated OT security solutions combine secure connectivity with real-time monitoring to eliminate these blind spots. By leveraging , passive protocol monitoring, and , organizations can enable continuous visibility into OT behavior, detect unusual activity instantly, and support more resilient and compliant network operations. The result is stronger security posture, faster incident response, and scalable protection across hundreds of distributed edge locations.
We'll discuss how combining RAD’s IoT gateways with continuous OT monitoring from Rhebo closes that gap. By pairing secure connectivity with passive OT protocol analysis and anomaly detection, teams can actually catch unusual behavior early, across distributed sites, and respond before it turns into downtime or risk.
Learn how edge visibility, OT monitoring, and secure connectivity work together to transform industrial cybersecurity from reactive defense to proactive control.
Chapters
(00:00) Introduction – Network Edge, IoT & Modern Connectivity
(00:21) The Hidden Risk – Lack of Visibility at the Edge
(01:11) Why Secure Connectivity Isn’t Enough
(02:04) Firewalls & VPN Limitations in OT Security
(02:33) Scaling Security Across Remote Sites
(02:57) Regulations & Compliance – IEC 62443 Explained
(03:50) RAD IoT Gateway – SecFlow Architecture
(04:20) Integrated Monitoring – Connectivity + Visibility
(05:16) OT Protocol Monitoring & Process-Level Threats
(06:09) Connectivity & Failover – Fiber, LTE & 5G
(06:41) Distributed Energy Resources & Attack Surface Growth
(07:09) Layered Security – Why Integration Matters
(08:03) OT Monitoring vs Firewalls – What You’re Missing
(08:30) Network Resilience & Backup Connectivity
(09:23) Compliance & Continuous Monitoring Evidence
(09:52) Local vs Central Analytics at the Edge
(10:13) Encryption vs Deep Packet Inspection
(10:39) Key Takeaways – Visibility, Monitoring & Scale
(11:08) Closing Summary – Securing the OT Edge
Follow RAD:
https://www.rad.com/
https://www.linkedin.com/company/rad-data-communications/
https://www.facebook.com/RAD.Data.Communications/
@RADdatacomms
https://www.youtube.com/@Raddatacom
View all episodes
By RAD Network EdgeIn this episode of Your Network’s Edge: The RAD Way, we explore how modern critical infrastructure environments, like power substations, distributed energy resources, and remote industrial sites face a growing challenge: lack of visibility at the network edge. While connectivity has improved with fiber, 4G and 5G, many operators still struggle to understand what is actually happening inside their OT environments, creating dangerous blind spots that attackers can exploit.
We explore how integrated OT security solutions combine secure connectivity with real-time monitoring to eliminate these blind spots. By leveraging , passive protocol monitoring, and , organizations can enable continuous visibility into OT behavior, detect unusual activity instantly, and support more resilient and compliant network operations. The result is stronger security posture, faster incident response, and scalable protection across hundreds of distributed edge locations.
We'll discuss how combining RAD’s IoT gateways with continuous OT monitoring from Rhebo closes that gap. By pairing secure connectivity with passive OT protocol analysis and anomaly detection, teams can actually catch unusual behavior early, across distributed sites, and respond before it turns into downtime or risk.
Learn how edge visibility, OT monitoring, and secure connectivity work together to transform industrial cybersecurity from reactive defense to proactive control.
Chapters
(00:00) Introduction – Network Edge, IoT & Modern Connectivity
(00:21) The Hidden Risk – Lack of Visibility at the Edge
(01:11) Why Secure Connectivity Isn’t Enough
(02:04) Firewalls & VPN Limitations in OT Security
(02:33) Scaling Security Across Remote Sites
(02:57) Regulations & Compliance – IEC 62443 Explained
(03:50) RAD IoT Gateway – SecFlow Architecture
(04:20) Integrated Monitoring – Connectivity + Visibility
(05:16) OT Protocol Monitoring & Process-Level Threats
(06:09) Connectivity & Failover – Fiber, LTE & 5G
(06:41) Distributed Energy Resources & Attack Surface Growth
(07:09) Layered Security – Why Integration Matters
(08:03) OT Monitoring vs Firewalls – What You’re Missing
(08:30) Network Resilience & Backup Connectivity
(09:23) Compliance & Continuous Monitoring Evidence
(09:52) Local vs Central Analytics at the Edge
(10:13) Encryption vs Deep Packet Inspection
(10:39) Key Takeaways – Visibility, Monitoring & Scale
(11:08) Closing Summary – Securing the OT Edge
Follow RAD:
https://www.rad.com/
https://www.linkedin.com/company/rad-data-communications/
https://www.facebook.com/RAD.Data.Communications/
@RADdatacomms
https://www.youtube.com/@Raddatacom