Individual skill

implementing-kubernetes-pod-security-standards

Chooses and applies the correct Kubernetes Pod Security Standard (Privileged, Baseline, Restricted) for a workload: what each profile forbids, how to map existing workloads to a profile, which securityContext fields must change, and how to plan a PodSecurityPolicy-to-PSS migration without breaking running pods. Use when deciding which pod security profile a namespace or workload should run under, auditing which workloads would fail Restricted, planning a PSP migration, or mapping pod security posture to a compliance control. Keywords: Pod Security Standards, PSS, Privileged, Baseline, Restricted, securityContext, runAsNonRoot, drop ALL capabilities, seccomp RuntimeDefault, PSP migration. Do not use for configuring the admission controller that enforces these profiles - use implementing-pod-security-admission-controller.

skills/implementing-kubernetes-pod-security-standards/SKILL.md

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Aug 31, 2026
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Apache-2.0

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# Implementing Kubernetes Pod Security Standards

## Overview

Pod Security Standards (PSS) define three levels of security policies -- Privileged, Baseline, and Restricted -- enforced by the Pod Security Admission (PSA) controller built into Kubernetes 1.25+. PSA replaces the deprecated PodSecurityPolicy and provides namespace-level enforcement with three modes: enforce, audit, and warn.


## When to Use

- Deciding whether a namespace or workload belongs at Privileged, Baseline, or Restricted
- Auditing which existing workloads would be rejected if Restricted were enforced today
- Translating a "must meet Restricted" requirement into concrete `securityContext` changes
- Planning a PodSecurityPolicy migration and predicting what will break before it does
- Mapping pod security posture to a compliance control (NIST PR.PS-01, CIS Kubernetes)
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