Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

You are evaluating whether to integrate a mature, widely used open-source authentication library or build custom functionality. Under the component reuse security principle, which factor most strongly favors reusing the library instead of coding a new solution from scratch?

  • Its existence means your team can forgo formal threat modeling, since risks were already addressed by the original authors.

  • The library's open-source license indemnifies your organization against any security breach stemming from its use.

  • The maintainers promise that future releases will not introduce any breaking changes, eliminating compatibility risk.

  • It has been continuously peer-reviewed and tested by a large community, exposing and patching vulnerabilities that might remain hidden in newly written code.

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