Episode 75 — Isolate containers using least privilege runtime settings and strong boundary controls
from Certified: The GIAC GCLD Audio Course Hosted by Jason Edwards
This episode focuses on container isolation as a runtime governance outcome, not a promise implied by “it’s containerized,” and it prepares you for exam items that test boundary thinking and blast radius control. You’ll learn how least privilege applies at runtime through restricted capabilities, limited filesystem access, constrained network paths, and separation between workloads that should not trust each other. We’ll cover why weak boundaries enable container escape attempts, lateral movement between services, and unauthorized access to secrets or host resources, even when images are clean. You’ll also explore practical troubleshooting issues, such as workloads that were built with unnecessary privileges, teams that depend on broad permissions for convenience, and the need to validate isolation continuously as deployments change. The outcome is an isolation mindset where each workload gets only the access it needs, and boundary controls are treated as enforceable, testable security controls with evidence. 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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