Chapter 4: Applying the Principle of Least Privilege in Kubernetes
The principle of least privilege states that each component of an ecosystem should have minimal access to data and resources for it to function. In a multitenant environment, multiple resources can be accessed by different users or objects. The principle of least privilege ensures that damage to the cluster is minimal if users or objects misbehave in such environments.
In this chapter, we will first introduce the principle of least privilege. Given the complexity of Kubernetes, we will first look into the Kubernetes subjects, and then the privileges available for the subjects. Then, we will talk about the privileges of Kubernetes objects and possible ways to restrict them. The ...
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