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ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During a requirements workshop, the security architect is asked to label several backlog items. Which of the following proposed backlog items is most clearly a non-functional security requirement rather than a functional one?

  • If a user enters an incorrect password five times, the account shall be locked for 30 minutes.

  • All sensitive data transmitted between components shall be encrypted using only TLS 1.3.

  • The system shall display the previous successful login time immediately after authentication.

  • Users shall be able to generate a one-time passcode to confirm high-risk transactions.

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