DevSecOps

5 minutes 5 Questions

DevSecOps is the practice of integrating security principles, processes, and tools within the development (Dev) and operations (Ops) workflows in the software development life cycle. The concept aims to bridge the gap between conventional software development and cybersecurity, resulting in more se…

Guide to DevSecOps

DevSecOps refers to the philosophy of integrating security practices within the DevOps process.

Why is it Important:
DevSecOps is crucial in software development for several reasons. It allows teams to catch vulnerabilities and errors early in the lifecycle, leading to more secure applications and saving time and resources. It also helps to create a culture of shared responsibility for security, increasing the overall efficiency and effectiveness of the software development process.

What is DevSecOps:
In DevSecOps, development, security, and operations teams work together throughout the software development lifecycle to ensure application security. It is a process that involves continuous security, continuous integration, continuous delivery, and continuous monitoring.

How it Works:
In DevSecOps process, automation tools are used to integrate security at each phase of development from initial design through integration, testing, deployment, and software delivery. This continuous security aims to make reactive, ad hoc security a thing of the past by making pro-active security an integral part of software construction.

Exam Tips: Answering Questions on DevSecOps:
Understanding DevSecOps concepts and its role in the software development process is key. Be sure to know the purpose and benefits of DevSecOps, how security is implemented throughout the DevOps lifecycle, and the key practices and principles of DevSecOps. Focus on understanding how to apply security controls at each stage of the DevOps pipeline. Always read the questions carefully in the exam and remember that DevSecOps is about integrating security into the development pipeline from the beginning, rather than adding it on at the end.

Remember, practice makes perfect, so take the time to understand and apply these concepts thoroughly!

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Question 1

An organization is implementing automated security testing in their DevSecOps pipeline. What is the most efficient way to ensure good coverage of security testing?

Only focus on SAST and DAST Only use IAST in the pipeline Just use SAST in the pipeline Include Static, Dynamic Application Security Testing (SAST, DAST), and Interactive Application Security Testing (IAST) in the pipeline

Correct Answer: Include Static, Dynamic Application Security Testing (SAST, DAST), and Interactive Application Security Testing (IAST) in the pipeline

Incorporating SAST, DAST, and IAST tools into the pipeline ensures good coverage of security testing through code analysis, dynamic analysis, and runtime analysis. The other answers either lack comprehensive coverage or inefficiency due to manual testing requirements.

Question 2

A company plans to enable Infrastructure as Code (IaC) to improve security in their DevSecOps process. Which of the following should they prioritize?

Neglect security audits on IaC configurations Adopt any available IaC tool without considering security best practices Implement IaC best practices and policies, then perform regular security audits Limit their focus to traditional security practices without IaC

Correct Answer: Implement IaC best practices and policies, then perform regular security audits

Implementing IaC best practices and policies, together with regular security audits, ensures secure configurations and minimizes security risks. The other answers either neglect the importance of IaC security best practices or do not address IaC's role within DevSecOps.

Question 3

John, a security architect, is responsible for implementing appropriate access control measures across a large DevSecOps team. What is the most effective approach to ensure a balance between effectiveness and efficiency?

Adopt Mandatory Access Control (MAC) for the entire team Give every team member unrestricted access to all resources Implement Discretionary Access Control (DAC) only Role-Based Access Control (RBAC) with Principle of Least Privilege (POLP)

Correct Answer: Role-Based Access Control (RBAC) with Principle of Least Privilege (POLP)

Using Role-Based Access Control (RBAC) with the Principle of Least Privilege (POLP) provides an efficient and effective approach to managing access control in a DevSecOps environment. The other answers either use less efficient access control models, neglect the importance of POLP, or fail to address the balance between effectiveness and efficiency.

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