ISC2-CSSLP Domain 1: Secure Software Concepts Welcome to your ISC2-CSSLP Domain 1: Secure Software Concepts 1. CSSLP: Secure Software Concepts Which principle of software security is primarily concerned with limiting the damage that can be caused by a security breach? A. Defense in depth B. Least privilege C. Fail-safe defaults D. Compartmentalization None 2. CSSLP: Secure Software Concepts What concept in secure software design refers to the ability of a system to reject incorrect inputs in a way that does not compromise security? A. Input validation B. Fail-safe defaults C. Error handling D. Security by obscurity None 3. CSSLP: Secure Software Concepts Which of the following best describes the concept of 'security by design'? A. Implementing security measures as a reaction to new threats. B. Incorporating security practices and principles from the beginning of the software development lifecycle. C. Adding encryption algorithms to software after its initial release. D. Regularly updating software to patch vulnerabilities. None 4. CSSLP: Secure Software Concepts In the context of secure software development, what does 'complete mediation' refer to? A. Ensuring all access requests to resources are checked for authorization. B. The use of comprehensive encryption techniques. C. The implementation of multiple layers of security controls. D. The complete documentation of all security policies and procedures. None 5. CSSLP: Secure Software Concepts Which of the following concepts is essential for ensuring that software can detect and resist unauthorized attempts to bypass security mechanisms? A. Open design B. Security through obscurity C. Reference monitor D. Security by default None 6. CSSLP: Secure Software Concepts What principle of software security emphasizes the need for security measures to be applied at multiple layers of a system? A. Defense in depth B. Economy of mechanism C. Least common mechanism D. Separation of duties None 7. CSSLP: Secure Software Concepts In secure software design, which principle dictates that systems should default to secure states in case of failures or errors? A. Fail-secure B. Open design C. Economy of mechanism D. Separation of privileges None 8. CSSLP: Secure Software Concepts Which concept involves designing software systems in such a way that their security does not depend on the secrecy of their implementation or architecture? A. Security through obscurity B. Open design C. Closed design D. Black box testing None 9. CSSLP: Secure Software Concepts What does the concept of 'economy of mechanism' refer to in the context of secure software design? A. The cost-effectiveness of implementing security measures. B. Designing security mechanisms to be as simple and small as possible. C. Maximizing the use of existing security tools and protocols. D. Allocating a budget for security measures based on potential risks. None 10. CSSLP: Secure Software Concepts Which of the following best exemplifies the principle of "security by obscurity" in software development? A. Utilizing well-known cryptographic algorithms with public keys. B. Relying on custom, undisclosed error messages to hide system details. C. Implementing multifactor authentication mechanisms. D. Applying regular security patches to software components. None 11. CSSLP: Secure Software Concepts In the context of secure software concepts, what is the primary goal of "non-repudiation"? A. To prevent data from being altered undetected. B. To ensure data confidentiality through encryption. C. To prevent denial of actions performed by a user. D. To provide redundancy for critical system components. None 12. CSSLP: Secure Software Concepts Which principle asserts that software should continue to operate correctly and enforce security policies even when components fail? A. Fail-safe B. Fail-secure C. Robustness D. Resilience None 13. CSSLP: Secure Software Concepts In secure software design, the concept of "psychological acceptability" primarily refers to which of the following? A. The ease with which users can understand and navigate security features. B. The application of user-friendly interfaces to disguise complex security mechanisms. C. The design of security mechanisms that do not impose unreasonable burdens on users. D. The incorporation of behavioral analytics to predict and mitigate user-based threats. None 14. CSSLP: Secure Software Concepts What aspect of secure software design is primarily focused on ensuring data integrity during transmission? A. Data at rest encryption B. Secure socket layer (SSL)/Transport layer security (TLS) protocols C. Access control lists (ACLs) D. Digital watermarking None 15. CSSLP: Secure Software Concepts Which secure software concept ensures that a system's security state can be verified at any time, regardless of previous states or actions? A. Continuous monitoring B. Stateful inspection C. Verifiable security D. Immutable security None 16. CSSLP: Secure Software Concepts In secure software development, which principle prioritizes the identification and protection of high-value assets and functions first? A. Risk-based security B. Defense in depth C. Economy of mechanism D. Security proportionality None 17. CSSLP: Secure Software Concepts Which concept in secure software development focuses on minimizing the amount of code and complexity to reduce the attack surface? A. Least functionality B. Security minimalism C. Principle of least privilege D. Economy of mechanism None 18. CSSLP: Secure Software Concepts In the principle of "fail-safe defaults," what is the default state when a failure occurs? A. Open access to all users B. Maintaining the last known secure state C. Denying access or reverting to a secure state D. Requesting user input to determine the next steps None 19. CSSLP: Secure Software Concepts What secure software concept involves ensuring that security mechanisms do not rely solely on secrecy of design or implementation for their effectiveness? A. Security through transparency B. Open design C. Security by obscurity D. Closed system principle None 20. CSSLP: Secure Software Concepts Which concept describes the practice of granting users the ability to perform only the actions necessary for their role or task? A. Separation of duties B. Principle of least privilege C. Access control D. Role-based security None 1 out of 20 Time is Up! Time's up
