In the rapidly evolving landscape of Kubernetes, security remains at the forefront of concerns for developers and architects alike. Kubernetes 1.25 brings significant changes, especially in how we approach pod security, an area critical to the secure deployment of applications. This article dives deep into the intricacies of Pod Security Admission (PSA), the successor to Pod Security Policies (PSP), providing insights and practical guidance to harness its potential effectively.
Understanding Pod Security Admission
With the deprecation of Pod Security Policies in previous releases, Kubernetes 1.29 emphasizes Pod Security Admission (PSA), a built-in admission controller designed to enforce pod security standards at creation and modification time. PSA introduces a more streamlined, understandable, and manageable approach to securing pods, pivotal for protecting cluster resources and data.
