Enable Kubernetes Pod Security Policy with kube-psp-advisor.

Kubernetes Pod Security Policy (PSP) is a cluster-level resource designed to enforce security best practices by controlling sensitive aspects of pod specifications, yet creating an effective PSP can be challenging due to varying application requirements. The article explains how kube-psp-advisor, an open-source tool from Sysdig, simplifies the implementation of PSPs by scanning existing security contexts and automatically generating policies that align with Kubernetes resources like deployments and replicasets. This tool allows teams to adapt security policies to specific application needs while maintaining adequate security measures, even when certain capabilities like NET_ADMIN or IPC_LOCK are necessary for performance or monitoring purposes. Additionally, kube-psp-advisor offers customization options by analyzing entire clusters or specific namespaces, making it easier for DevSecOps and software development teams to collaboratively establish security policies that balance theoretical best practices with practical application demands.