ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During onboarding of a third-party closed-source component, your organization wants an automated control that simultaneously proves the component's origin and that it has not been altered while it transits multiple pipeline stages. Which approach best satisfies this requirement?

  • Generate a one-time SHA-256 checksum after download and store it in a team spreadsheet for later reference.

  • Run an antivirus scan on the component before promoting it to each subsequent environment.

  • Require the supplier to attach a PGP or X.509 digital signature to the component and have every pipeline stage verify the signature against the supplier's public key.

  • Move the component only over HTTPS or TLS-protected links between internal repositories.

ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Supply Chain
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