CKS Exam Traps: Cluster Hardening and Pod Security Tasks That Fail Candidates
CKS is the most unforgiving Kubernetes exam — one wrong flag in a Falco rule or a misplaced seccomp annotation breaks the task. This guide covers 12 specific traps across cluster hardening, pod security, and runtime security where candidates lose the most points.
CKS candidates who fail often have solid Kubernetes knowledge — they fail because of precision errors in security tooling configuration. A Falco rule placed in the wrong file is silently ignored. An OPA Gatekeeper constraint set to audit instead of deny logs violations but never blocks anything. An AppArmor profile loaded only on one node causes pod failure when it …
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