How to manage network security within the Kubernetes cluster
In general, computer networks in the IT world, particularly Kubernetes networks, are the foundation for Kubernetes workloads (we have already discussed Kubernetes networking basics in Chapter 6). Cluster administrators should control everything that happens within their clusters, and network security is also one of their highest priorities. When the interviewer asks you a question about this topic, your answer can go in multiple directions, so it’s (again) essential to clarify the exact aspect of the Kubernetes network security you’re expected to expand upon. First, you can start by listing the main reasons for taking care of network security in the Kubernetes clusters and workloads:
- Effective isolation: Proper isolation will prevent unauthorized access between applications, teams, or departments. This isolation is essential for maintaining data privacy, confidentiality, and regulatory compliance...