Auditing a Real-World Cluster: Every Misconfiguration I Found in 1 Hour with Open Source Tools

I was given read access to a mid-sized production Kubernetes cluster — 3 namespaces, ~40 workloads, running on EKS. No insider knowledge. Just tools, curiosity, and 60 minutes. Here’s everything I found. The Setup The cluster belonged to a startup that had been running Kubernetes in production for about 18 months. They had a dedicated … Read more

Kubernetes RBAC: A Complete Guide With Concepts, YAML Examples, and Best Practices

Role‑Based Access Control (RBAC) is one of the most critical security layers in any Kubernetes cluster because it decides who can perform which actions on which resources. In many organizations, RBAC is the difference between “one compromised account destroys the cluster” and “blast radius is limited to a small, controlled scope.” This blog will take … Read more