Kubernetes Audit Policy: A Checklist Against Typical Blind Spots

The author shares their experience in reviewing Kubernetes audit policies, highlighting the problem of 'technical debt' in configurations that are rarely revisited after initial setup. The article notes that security policies often turn into a chaotic collection of exceptions over time, losing their effectiveness. By analyzing their own 580-line configuration based on the Kubernetes Threat Matrix, the author identifies key principles and common pitfalls encountered during cluster audits. The article provides a practical checklist to help engineers systematize the review process, identify monitoring 'blind spots,' and update security policies. This approach not only enhances infrastructure security but also simplifies the long-term maintenance of complex Kubernetes configurations.