ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question
In preparing the deployment plan for new endpoint software, a security engineer needs to document a non-functional security requirement specific to installation and configuration. Which of the following statements best satisfies that need?
Authenticated users shall be able to reset their forgotten passwords using multi-factor verification.
The system shall complete 10 000 transactions per minute under peak load.
The installer shall verify the application's publisher signature and abort if the signature is missing or invalid.
Audit logs shall be retained for at least one year for forensic analysis.
A non-functional deployment requirement describes how the software must be installed or configured to remain secure. Requiring the installer to validate a publisher's digital signature before proceeding enforces code authenticity and integrity during installation, directly addressing secure deployment. The password-reset capability is a functional feature exposed to users. Log-retention duration is an operational non-functional requirement but not tied to deployment. The throughput figure is a performance requirement unrelated to security.
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ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Requirements
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