ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During threat modeling of a new SaaS product, you discover that each microservice maintains its own user table and locally hashed passwords. To shrink the attack surface and support centralized user de-provisioning when employees leave, which redesign should you propose to the development team?

  • Shard the existing user tables across multiple databases to improve isolation.

  • Store user credentials as environment variables that are injected into each container at build time.

  • Integrate all services with a centralized identity provider and accept OAuth 2.0/OpenID Connect tokens for authentication.

  • Replace password logins with unique API keys generated and stored by each microservice.

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