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ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During a sprint planning session, the security architect is asked to label the following backlog items. Which item represents a functional security requirement rather than a non-functional security attribute?

  • All external API traffic shall be encrypted using TLS 1.3 or higher.

  • The application shall record every administrative action, including user ID and timestamp, in an immutable audit log.

  • The system shall maintain 99.9 % uptime during business hours.

  • The solution shall comply with OWASP Application Security Verification Standard (ASVS) Level 2.

ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Requirements
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