ISC2 Certified Secure Software Lifecycle Professional (CSSLP) Practice Question

Your team is refactoring a monolithic payment application into small containerized microservices deployed in separate subnets across two cloud regions. From a defense in depth perspective, which benefit of this distributed design most directly reduces risk if the checkout microservice is breached?

  • Horizontal auto-scaling lets the platform absorb sudden spikes in legitimate or malicious traffic without manual action.

  • Internal traffic can stay unencrypted, eliminating the overhead of TLS inside the cluster.

  • Blue/green deployments guarantee uninterrupted availability during version rollouts.

  • Isolation of each function limits lateral movement through service-level identities and network policies.

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