K8s Secure Architecture Best Practices

While Kubernetes is secure by default, there are certain steps you can take to further lock down your Kubernetes architecture. In this blog post, we will discuss how to design the most secure Kubernetes architecture.

You can get a playbook on how to respond to security incidents in Cloud and Container environments here.

1. Use Security Groups One of the most important steps you can take to secure your Kubernetes architecture is to use security groups. Security groups allow you to control access to your nodes and pods based on IP addresses. You can use security groups to allow only specific IP addresses to access your nodes and pods, and you can also use security groups to deny access to specific IP addresses.
2. Use TLS Another important step you can take to secure your Kubernetes architecture is to use TLS. TLS allows you to encrypt communications between your nodes and pods. This can help to protect your data from eavesdropping and man-in-the-middle attacks.
3. Use Roles-Based Access Control Another important step you can take to secure your Kubernetes architecture is to use roles-based access control. RBAC allows you to control access to your Kubernetes resources based on user roles. This can help to ensure that only authorized users can access sensitive data and resources.
4. Use Pod Security Policies Another important step you can take to secure your Kubernetes architecture is to use pod security policies. Pod security policies allow you to control access to your pods based on pod security annotations. This can help to ensure that only authorized users can access sensitive data and resources.
5. Use Namespaces Another important step you can take to secure your Kubernetes architecture is to use namespaces. Namespaces allow you to partition your Kubernetes resources into separate namespaces. This can help to ensure that only authorized users can access sensitive data and resources.
6. Use Cluster Policies Another important step you can take to secure your Kubernetes architecture is to use cluster policies. Cluster policies allow you to control access to your Kubernetes resources based on cluster-wide security annotations. This can help to ensure that only authorized users can access sensitive data and resources.
7. Use L1 and L2 Network Security

Another important step you can take to secure your Kubernetes architecture is to use L1 and L2 network security. L1 and L2 network security can help to protect your nodes and pods from malicious attacks. L1 security provides protection against attacks that occur at the network layer, and L2 security provides protection against attacks that occur at the transport layer.