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ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

While updating the security requirement traceability matrix for a new payroll web service, a developer records: "All employee records shall be encrypted at rest using AES-256 and keys rotated at least every 90 days without causing service interruption." According to security requirement categories, this statement is best classified as which type of requirement?

  • A misuse case describing an attack scenario.

  • A business continuity requirement unrelated to security.

  • A functional security requirement expressed as a user-facing feature.

  • A non-functional security requirement that specifies a quality attribute.

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