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Learn Kubernetes Security

You're reading from   Learn Kubernetes Security Securely orchestrate, scale, and manage your microservices in Kubernetes deployments

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Product type Paperback
Published in Jul 2020
Publisher Packt
ISBN-13 9781839216503
Length 330 pages
Edition 1st Edition
Languages
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Authors (2):
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Pranjal Jumde Pranjal Jumde
Author Profile Icon Pranjal Jumde
Pranjal Jumde
Kaizhe Huang Kaizhe Huang
Author Profile Icon Kaizhe Huang
Kaizhe Huang
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Table of Contents (19) Chapters Close

Preface 1. Section 1: Introduction to Kubernetes
2. Chapter 1: Kubernetes Architecture FREE CHAPTER 3. Chapter 2: Kubernetes Networking 4. Chapter 3: Threat Modeling 5. Chapter 4: Applying the Principle of Least Privilege in Kubernetes 6. Chapter 5: Configuring Kubernetes Security Boundaries 7. Section 2: Securing Kubernetes Deployments and Clusters
8. Chapter 6: Securing Cluster Components 9. Chapter 7: Authentication, Authorization, and Admission Control 10. Chapter 8: Securing Kubernetes Pods 11. Chapter 9: Image Scanning in DevOps Pipelines 12. Chapter 10: Real-Time Monitoring and Resource Management of a Kubernetes Cluster 13. Chapter 11: Defense in Depth 14. Section 3: Learning from Mistakes and Pitfalls
15. Chapter 12: Analyzing and Detecting Crypto-Mining Attacks 16. Chapter 13: Learning from Kubernetes CVEs 17. Assessments 18. Other Books You May Enjoy

The power of PodSecurityPolicy

A Kubernetes PodSecurityPolicy is a cluster-level resource that controls security-sensitive aspects of the pod specification through which the access privileges of a Kubernetes pod are limited. As a DevOps engineer, you may want to use a PodSecurityPolicy to restrict most of the workloads run in limited access privileges, while only allowing a few workloads to be run with extra privileges.

In this section, we will first take a closer look at a PodSecurityPolicy, and then we will introduce an open source tool, kube-psp-advisor, which can help build an adaptive PodSecurityPolicy for the running Kubernetes cluster.

Understanding PodSecurityPolicy

You can think of a PodSecurityPolicy as a policy to evaluate the security attributes defined in the pod's specification. Only those pods whose security attributes meet the requirements of PodSecurityPolicy will be admitted to the cluster. For example, PodSecurityPolicy can be used to block the launch...

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