Enforcing Kubernetes Policies: Security and Compliance Guardrails for Your Cluster

The blog post "Kube-Policies: Guardrails for Apps Running in Kubernetes" from Square discusses their approach to implementing security guardrails in Kubernetes environments. Recognizing that Kubernetes' default configurations prioritize rapid deployment over security, Square transitioned from Pod Security Policies (PSPs) to a more flexible solution using the Open Policy Agent (OPA). Their custom framework, kube-policies, addresses the unique challenges of their diverse client platforms by incorporating features such as policy promotion processes, minimal user disruption, robust testing frameworks, exception management, extensibility, observability, and strong security practices. This approach aims to guide innovation securely without compromising speed, ensuring that security becomes a facilitator rather than a barrier in cloud computing.

https://developer.squareup.com/blog/kube-policies-guardrails-for-apps-running-in-kubernetes

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