Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

A development sprint introduced an account-lockout mechanism that should disable a user account after exactly five consecutive failed logon attempts and allow reactivation only through an administrator reset. Before handing the build to quality assurance, the team needs to confirm the mechanism behaves exactly as specified. Which category of security testing should be performed to provide this confirmation?

  • Functional security testing of the authentication and authorization logic

  • Nonfunctional stress testing to determine system behavior under sustained invalid login attacks

  • Performance benchmarking to measure login throughput during peak usage

  • Usability testing to evaluate how users perceive the lockout notification

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