Securing Kubernetes 1.33 Pods: The Impact of User Namespace Isolation

Kubernetes 1.33 rolls out with a security upgrade. It flips the switch on user namespaces by default, shoving pods into the safety zone as unprivileged users. Potential breaches? Curbed. But don't get too comfy—idmap-capable file systems and up-to-date runtimes are now your new best friends if you want to ride this upgrade.