Kubernetes Pod Security Policy Deprecation: All You Need to Know

This blog outlines the deprecation of Kubernetes Pod Security Policy (PSP) and introduces the Pod Security Standards (PSS) — Baseline and Restricted — as the recommended replacement. It advocates using OPA/Rego-based validating admission controllers to enforce PSS and other policies, provides a mapping between PSS and PSP controls, assesses how common Helm charts comply with PSS, and offers practical migration and workload security tips (including image verification and applying checks at controller levels).