Free CSSLP Quick Start Practice Test — 10 Questions Across All 8 CBK Domains

Last updated: May 2026 · Aligned with the current ISC² CSSLP CBK

This free CSSLP quick start practice test draws 10 questions across all 8 ISC² Certified Secure Software Lifecycle Professional CBK domains. Use it for a fast readiness check before diving into per-domain study.

10 Free CSSLP Mixed-Domain Practice Questions

Sample Question 1 — Secure Software Architecture and Design

A financial services company is developing a new web application that handles sensitive customer data. During the design phase, the security team is tasked with integrating security measures into the architecture. Which of the following approaches should they prioritize to ensure the application is resilient against common web vulnerabilities?

  1. A. Implementing a Web Application Firewall (WAF) to filter and monitor HTTP traffic.
  2. B. Conducting a threat modeling session to identify potential attack vectors and design mitigations. (Correct answer)
  3. C. Ensuring compliance with the company's existing password policy.
  4. D. Utilizing a container orchestration platform to manage application deployment.

Correct answer: B

Explanation: Conducting a threat modeling session during the design phase helps identify potential attack vectors and allows the team to design appropriate mitigations, making the application more resilient against common web vulnerabilities. While other options are beneficial, threat modeling directly addresses security in the architecture phase.

Sample Question 2 — Secure Software Architecture and Design

A software development team is adopting DevSecOps practices to improve the security posture of their CI/CD pipeline. Which activity should be integrated into the pipeline to detect vulnerabilities in open-source components used by the application?

  1. A. Performing static code analysis on the proprietary codebase.
  2. B. Implementing dynamic application security testing (DAST) during the testing phase.
  3. C. Utilizing a software composition analysis (SCA) tool to scan for known vulnerabilities in dependencies. (Correct answer)
  4. D. Conducting regular security awareness training for developers.

Correct answer: C

Explanation: Utilizing a software composition analysis (SCA) tool is essential in a DevSecOps pipeline to automatically scan open-source components for known vulnerabilities. This ensures that dependencies are secure and up-to-date, addressing supply chain risks.

Sample Question 3 — Secure Software Concepts

A financial services company is adopting a DevSecOps approach to improve their software development lifecycle. They have legacy systems that must integrate with newer microservices-based applications. Which of the following should be prioritized to ensure security across the entire system?

  1. A. Implementing automated security testing in the CI/CD pipeline. (Correct answer)
  2. B. Conducting annual penetration testing on the legacy systems.
  3. C. Deploying a separate firewall for the microservices.
  4. D. Rewriting the legacy systems using modern programming languages.

Correct answer: A

Explanation: Integrating automated security testing into the CI/CD pipeline ensures continuous security assessment and rapid feedback, which is crucial in a DevSecOps environment. This approach helps identify vulnerabilities early in both legacy and new systems, ensuring a consistent security posture.

Sample Question 4 — Secure Software Concepts

During a threat modeling session for a new web application, the development team identifies a potential threat where an attacker could intercept and modify data sent between the client and server. Which security control would most effectively mitigate this threat?

  1. A. Implementing input validation on the server side.
  2. B. Enforcing the use of HTTPS for all communications. (Correct answer)
  3. C. Using a Web Application Firewall (WAF).
  4. D. Conducting regular security audits.

Correct answer: B

Explanation: Enforcing HTTPS ensures that data transmitted between the client and server is encrypted, preventing interception and modification by attackers. This is a fundamental control for protecting data in transit.

Sample Question 5 — Secure Software Deployment, Operations, Maintenance

A financial services company is deploying a new application in a cloud environment. The company has a strong DevSecOps culture and wants to ensure that security is integrated into their CI/CD pipeline. Which of the following practices would best help the company identify vulnerabilities early in the deployment process?

  1. A. Implementing a static application security testing (SAST) tool in the build phase. (Correct answer)
  2. B. Conducting manual penetration testing after deployment.
  3. C. Relying on network firewalls to protect the application.
  4. D. Performing regular vulnerability scans in the production environment.

Correct answer: A

Explanation: Implementing a static application security testing (SAST) tool in the build phase allows developers to identify and fix vulnerabilities early in the software development lifecycle, aligning with DevSecOps practices.

Sample Question 6 — Secure Software Deployment, Operations, Maintenance

An organization is using a third-party open-source library in its application. To manage risks associated with supply chain security, what is the most effective approach the organization should take?

  1. A. Periodically check for updates to the library and apply them immediately.
  2. B. Conduct a comprehensive security assessment of the library before integration.
  3. C. Rely solely on the library's documentation for security information.
  4. D. Implement a Software Bill of Materials (SBOM) to track the library and its dependencies. (Correct answer)

Correct answer: D

Explanation: Implementing a Software Bill of Materials (SBOM) allows the organization to track all components and dependencies, facilitating better risk management and quick response to vulnerabilities.

Sample Question 7 — Secure Software Implementation

A financial services company is transitioning its software development processes to incorporate DevSecOps practices. The team is evaluating their CI/CD pipeline to ensure it aligns with secure software implementation practices. Which of the following actions should be prioritized to enhance security in their CI/CD pipeline?

  1. A. Implementing automated code reviews to detect vulnerabilities before deployment. (Correct answer)
  2. B. Increasing the frequency of software releases to quickly address security patches.
  3. C. Using proprietary encryption algorithms to protect data in transit.
  4. D. Allowing developers to push code directly to production environments to speed up the release cycle.

Correct answer: A

Explanation: Automated code reviews are essential in a DevSecOps environment to identify and mitigate vulnerabilities early in the development process. This practice helps maintain security without slowing down the development cycle, unlike options B and D, which might introduce risks. Option C is not recommended as proprietary encryption algorithms can be less secure than well-vetted, standard algorithms.

Sample Question 8 — Secure Software Implementation

During a threat modeling session for a new web application, the security team identifies a potential risk related to third-party libraries. What is the most appropriate action to mitigate this risk within the secure software implementation process?

  1. A. Remove all third-party libraries and rewrite the functionality in-house.
  2. B. Conduct regular vulnerability assessments and maintain an up-to-date Software Bill of Materials (SBOM). (Correct answer)
  3. C. Only use third-party libraries that are open source to ensure transparency.
  4. D. Rely on the library's community to report and fix vulnerabilities.

Correct answer: B

Explanation: Regular vulnerability assessments and maintaining an SBOM are critical for managing risks associated with third-party libraries. This approach ensures that vulnerabilities are identified and addressed promptly. Option A is impractical and costly, while options C and D do not provide sufficient assurance of security.

Sample Question 9 — Secure Software Lifecycle Management

Your company is integrating security practices into its existing CI/CD pipeline. The development team uses a mix of open-source and proprietary components. Which of the following practices should be prioritized to manage security risks effectively?

  1. A. Implement static application security testing (SAST) during the build phase. (Correct answer)
  2. B. Conduct a manual code review after each release.
  3. C. Perform penetration testing only on major releases.
  4. D. Rely on third-party vendors to secure open-source components.

Correct answer: A

Explanation: Implementing static application security testing (SAST) during the build phase helps identify security vulnerabilities early in the software development lifecycle. This practice is particularly important when using a mix of open-source and proprietary components, as it allows for continuous security assessment and remediation.

Sample Question 10 — Secure Software Lifecycle Management

A financial institution is developing a new web application that must comply with industry regulations for data protection. During the threat modeling process, which of the following should be the primary focus?

  1. A. Identifying potential threats and vulnerabilities in the application's third-party libraries. (Correct answer)
  2. B. Ensuring the application meets performance benchmarks.
  3. C. Minimizing the application's development cost.
  4. D. Maximizing user interface aesthetics.

Correct answer: A

Explanation: In a regulated environment, such as a financial institution, identifying potential threats and vulnerabilities in third-party libraries is crucial. This focus helps ensure compliance with data protection regulations and mitigates risks associated with the use of third-party components.

The 8 CSSLP CBK Domains

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