Certified Kubernetes Security Specialist (CKS) Exam  apparmor.security.beta.kubernetes.io/<container_name>: <profile_ref> Minimize Microservice Vulnerabilities – 20% Practice CKS Exercises – Minimize Microservice Vulnerabilities Setup appropriate OS-level security domains e.g. using PSP, OPA, security contexts. Pod Security Contexts help define security for pods and containers at the pod or at the container level. Capabilities can be added at the container level only. Pod Security Policies enable fine-grained authorization of pod creation and updates and is implemented as an optional admission controller. Open Policy Agent helps enforce custom policies on Kubernetes objects without recompiling or reconfiguring the Kubernetes API server. Admission controllers can be used for validating configurations as well as mutating the configurations. Mutating controllers are triggered before validating controllers. Allows extension by adding custom controllers using Linux Foundation CKS Exam Dumps  MutatingAdmissionWebhook and ValidatingAdmissionWebhook. Exam tip: Know how to configure Pod Security Context, Pod Security Policies Manage Kubernetes secrets Exam Tip: Know how to read secret values, create secrets and mount the same on the pods. Use container runtime sandboxes in multi-tenant environments (e.g. gvisor, kata containers) Exam tip: Know how to create a Runtime and associate it with a pod using runtimeClassName Implement pod to pod encryption by use of mTLS Practice manage TLS certificates in a Cluster Service Mesh Istio can be used to establish MTLS for Intra pod communication. Istio automatically configures workload sidecars to use mutual TLS when calling other workloads. By default, Istio configures the destination workloads using PERMISSIVE mode. When PERMISSIVE mode is enabled, a service can accept both plain text and mutual TLS traffic.

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