Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During a redesign of a mobile-banking app's login flow, the security team proposes a 12-character password that must include three special characters and be changed every 30 days. Usability testing shows high abandonment rates and a surge in password-reset tickets. Which alternative best applies the psychological acceptability principle while still providing strong authentication?

  • Replace passwords with FIDO2/WebAuthn passwordless authentication using platform or security-key authenticators.

  • Keep passwords but extend minimum length to 16 characters and relax rotation to every 90 days.

  • Require users to accept system-generated passphrases stored locally in the app for automatic fill.

  • Add a CAPTCHA challenge after each successful credential entry to verify a human user.

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