Hardening Kubernetes

The previous section cataloged and listed the variety of security challenges facing developers and administrators deploying and maintaining Kubernetes clusters. In this section, we will hone in on the design aspects, mechanisms, and features offered by Kubernetes to address some of the challenges. You can get to a pretty good state of security by judicious use of capabilities such as service accounts, network policies, authentication, authorization, AppArmor, and secrets.

Remember that a Kubernetes cluster is one part of a bigger system that includes other software systems, people, and processes. Kubernetes can't solve all problems. You should always keep in mind general security principles, such as defense in depth, need-to-know ...

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