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DO425 - Red Hat Security: Securing Containers and OpenShift


Duration: 4.0 days

You will learn about using secure and trusted container images, registries, and source code; managing network and storage isolation; implementing application single sign-on; and configuring appropriate security constraints and service role–based access control. You will also find out how existing core Linux technologies—such as namespaces, cgroups, seccomp, capabilities, and SELinux—provide a robust and mature host environment with strongly secure containers.


  • Learn Linux multitenancy isolation and least-privilege technologies. 
  • Investigate trusted repositories, as well as signing and scanning images. 
  • Implement security in a continuous integration and continuous development (CI/CD) pipeline. 
  • Integrate web application single sign-on. Automate policy-based deployments. Configure security context constraints (SCC). 
  • Manage API access control. 
  • Provide secure network I/O. Deliver secure storage I/O.


  • System administrators 
  • IT security administrators 
  • IT security engineers 
  • DevOps engineers 
  • Cloud developers 
  • Cloud architects


1. Describe host security technologies 
Understand the core technologies that make Red Hat Enterprise Linux a robust and trusted container host. 

2. Establish trusted container images 
Describe the registries, services, and methods that comprise the Red Hat image ecosystem. 

3. Implement security in the build process 
Learn automated methods for integrating security checks into build and deployment pipelines. 

4. Manage user access control 
Apply methods for integrating and managing user authentication for operators and for web applications. 

5. Control the deployment environment 
Determine how a container platform secures the deployment process through policies and automation. 

6. Manage secure platform orchestration 
Study how a container platform secures the orchestration process through policies and infrastructure. 

7. Provide secure network I/O 
Discover the technologies and control features that enable multitenancy and project isolation. 

8. Deliver secure storage I/O 
Enable authorized, multitenant storage access through a firm understanding of related technologies and control features.


  • Become a Red Hat Certified Engineer (RHCE®), or demonstrate equivalent Red Hat Enterprise Linux knowledge and experience 
  • Become a Red Hat Certified Specialist in OpenShift Administration, or demonstrate equivalent Red Hat OpenShift Container Platform knowledge and experience


Red Hat Certified Specialist in Security: Containers and OpenShift Exam-EX425


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