Which response to this policy will be achieved when the effect is set to “block”?

Review this admission control policy:

match[{"msg": msg}] { input.request.operation == "CREATE" input.request.kind.kind == "Pod"

input.request.resource.resource == "pods"

input.request.object.spec.containers[_].securityContext.privileged msg := "Privileged"

}

Which response to this policy will be achieved when the effect is set to “block”?
A . The policy will block all pods on a Privileged host.
B . The policy will replace Defender with a privileged Defender.
C . The policy will alert only the administrator when a privileged pod is created.
D . The policy will block the creation of a privileged pod.

Answer: D

Explanation:

The given admission control policy is designed to evaluate pod creation requests in a Kubernetes environment, specifically targeting the creation of privileged pods, which can pose significant security risks.

Option D: The policy will block the creation of a privileged pod is the correct answer when the effect of the policy is set to “block”. In this context, the policy’s logic checks if a pod being created is set to run in privileged mode (a high-risk configuration that grants the pod extended system privileges). If such a configuration is detected, the policy triggers an action to block the pod’s creation, thereby preventing the deployment of privileged pods that could undermine the security posture of the Kubernetes environment.

Reference: Kubernetes Admission Controllers Documentation: Provides a comprehensive overview of admission controllers in Kubernetes, including how they can be used to enforce policy decisions, such as preventing the creation of privileged pods.

Best Practices for Kubernetes Security: Discusses the importance of admission control policies in maintaining the security and integrity of Kubernetes environments, with specific emphasis on the risks associated with privileged pods.

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