Design and validate Kubernetes NetworkPolicies following Zero Trust principles (NIST SP 800-207). Two-tier analysis — architecture review then live cluster verification — produces a verified implementation plan with apply-and-verify results. Use when: - "Create NetworkPolicies for my namespace" - "Audit network isolation for this workload" - "Design network segmentation for a new application" - "Verify NetworkPolicies implement Zero Trust" - User mentions "network policy", "microsegmentation", "default-deny" NOT for Admin Network Policy (ANP) cluster-wide rules — those are cluster-admin infrastructure guardrails, not application-level microsegmentation. NOT for CNI plugin configuration or Multus secondary networks.
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