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hardScenarioDesignSeniorStaff

A Kubernetes cluster admin account has been compromised for 45 minutes. Do you clean the cluster or burn it to the ground, and why?

2 min readUpdated 2026-08-15

Answer

Short answer

Evaluate the candidate's crisis management and technical recovery skills in a high-stakes scenario involving a total compromise of Kubernetes administrative control.

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Likely follow-ups

  • How would your response differ if the compromised account only had access to a single namespace rather than full cluster-admin?
  • What compensating controls would you put in place so a single stolen kubeconfig can never grant cluster-admin again?
  • How do you prove to auditors and customers that the rebuilt cluster is clean, given you cannot fully trust anything from the old environment?

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