Crucial Exams

ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

During a design review of a new service-oriented architecture, the team plans to route all inter-service messages through a single, centrally hosted Enterprise Service Bus (ESB) that also performs authentication and authorization. As the security architect, which secure architecture principle is most directly jeopardized, and what design change would best mitigate the concern?

  • It violates the principle of complete mediation; require the ESB to log every request and response.

  • It violates the principle of least privilege; add fine-grained role assignments at each service endpoint.

  • It violates the principle of defense in depth; place a web application firewall in front of the ESB.

  • It creates a single point of failure; deploy redundant ESB nodes in active-active mode across multiple availability zones.

ISC2 Certified Secure Software Lifecycle Professional (CSSLP)
Secure Software Architecture and Design
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