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  • Book Overview & Buying Learn Kubernetes Security
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Learn Kubernetes Security

Learn Kubernetes Security

By : Kaizhe Huang, Pranjal Jumde
5 (10)
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Learn Kubernetes Security

Learn Kubernetes Security

5 (10)
By: Kaizhe Huang, Pranjal Jumde

Overview of this book

Kubernetes is an open source orchestration platform for managing containerized applications. Despite widespread adoption of the technology, DevOps engineers might be unaware of the pitfalls of containerized environments. With this comprehensive book, you'll learn how to use the different security integrations available on the Kubernetes platform to safeguard your deployments in a variety of scenarios. Learn Kubernetes Security starts by taking you through the Kubernetes architecture and the networking model. You'll then learn about the Kubernetes threat model and get to grips with securing clusters. Throughout the book, you'll cover various security aspects such as authentication, authorization, image scanning, and resource monitoring. As you advance, you'll learn about securing cluster components (the kube-apiserver, CoreDNS, and kubelet) and pods (hardening image, security context, and PodSecurityPolicy). With the help of hands-on examples, you'll also learn how to use open source tools such as Anchore, Prometheus, OPA, and Falco to protect your deployments. By the end of this Kubernetes book, you'll have gained a solid understanding of container security and be able to protect your clusters from cyberattacks and mitigate cybersecurity threats.
Table of Contents (19 chapters)
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1
Section 1: Introduction to Kubernetes
7
Section 2: Securing Kubernetes Deployments and Clusters
14
Section 3: Learning from Mistakes and Pitfalls

Chapter 7

  1. Static tokens and basic authentication should not be used in production clusters. These modules use static credentials, which require a restart of the API server to be updated.
  2. Cluster administrators can use the user impersonation privileges to test the permissions granted to a new user. Using kubectl, cluster administrators can use the --as --as-group flags to run requests as a different user.
  3. Node and RBAC are enabled by default in Kubernetes. These should be used. If the cluster uses a remote API for authorization, Webhook mode should be used instead.
  4. The EventRateLimit admission controller specifies the maximum limit for requests that can be serviced by the API server. On the other hand, LimitRanger ensures that Kubernetes objects adhere to the resource limits specified by the LimitRange object.
  5. The rego policy to deny the creation of an Ingress with the test.example endpoint is as follows:
    package kubernetes.admission
    import data.kubernetes.namespaces...
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Learn Kubernetes Security
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