Episode 81 — Virtualization and Container Security Basics

Virtualization and containers have revolutionized how systems are deployed, but they’ve also redefined the attack surface. This episode explains how hypervisors, virtual machines, and containers abstract physical hardware to maximize efficiency and flexibility. You’ll learn how these technologies differ in design—why virtualization emulates hardware while containers share the host operating system—and what that means for isolation and performance. We discuss security implications such as escape attacks, snapshot exposure, and misconfigured orchestration that can blur separation boundaries.Listeners will also explore best practices for securing virtual and containerized environments, from hardened images and minimal base operating systems to continuous vulnerability scanning. The episode introduces common tools like Docker Bench and Kubernetes security policies that enforce least privilege at scale. You’ll come away understanding how these technologies fit into GSEC exam topics on platform hardening and modern infrastructure management, and why in the real world, virtual layers demand the same rigor as physical ones. 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.

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