Episode 25 — Understand Privatized Backbones and Autonomous Systems: Security and Resilience Impacts
This episode explains how privatized networks, carrier backbones, and autonomous system routing influence OT connectivity and resilience, especially when remote sites, telemetry, or vendor support depend on complex upstream paths you do not directly control. You’ll learn what an autonomous system represents at a high level and why routing policy, peering decisions, and upstream failures can change reachability in ways that resemble cyber incidents. We connect these concepts to OT-relevant risk, such as dependence on external DNS, BGP-related outages or misroutes, and the difficulty of validating integrity and availability when paths traverse multiple providers. You’ll learn practical governance and technical controls that reduce exposure, including redundant paths, out-of-band management planning, strict remote access design, and monitoring that can distinguish local equipment failure from upstream routing disruption. The episode also frames exam scenarios where the correct answer is not “fix the router,” but “confirm scope, validate alternate paths, engage providers, and execute continuity procedures,” because resilience is as much about prepared decisions as it is about hardware. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with.
