Recall which security guardrail applies to image supply, runtime posture, workload identity, and network boundaries.
mixed-card-deck sort-buckets battlecard Layer map IRIN What four layers make a Kubernetes security review actionable? Image, Runtime, Identity, Network. Compare Root container vs. broad service account: why are they different fixes? Both are serious, but they close different attack paths. Network Which guardrail limits lateral movement after a Pod is compromised? Think allowed Pod-to-Pod flows. NetworkPolicy with explicit ingress and egress allow-lists. NetworkPolicy does not fix image or identity risk, but it reduces where a compromised workload can reach. Objection We scan images, so do we still need runtime and network controls? A team treats image scanning as a complete…
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