Pod Security Policy
Glossary Page
PodSecurityPolicy provides a mechanism for precise authorization of Pod creation and modifications. It is a cluster-level resource that manages security-sensitive aspects of the Pod specification. PodSecurityPolicy objects establish a set of conditions that a Pod must meet in order to be accepted into the system, as well as defaults for related fields. The control of Pod Security Policy is implemented as an optional admission controller. However, it was deprecated as of Kubernetes v1.21 and removed in v1.25. Instead, users can utilize Pod Security Admission or third-party admission plugins as alternatives.
https://kubernetes.io/docs/reference/glossary/?all=true
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