ISC2 CISSP Practice Question

The correct answer is implementing resource isolation through containerization. High-Performance Computing (HPC) systems face unique security challenges due to their multi-tenant nature and shared resource architecture. When multiple processes or users share computing resources, there is a risk of data leakage between workloads or unauthorized access to sensitive information.

Containerization provides strong isolation between workloads while maintaining the performance advantages of HPC systems. It creates logical boundaries between different processing tasks, ensuring that fraud detection algorithms and sensitive financial data remain segregated from other workloads. This approach aligns with the principle of defense in depth by adding another layer of protection.

Perimeter-based network monitoring is insufficient for HPC environments as many threats can originate from within the cluster. Allowing elevated root access would violate the principle of least privilege and create unnecessary security risks. While hardware-level encryption is beneficial, it addresses data protection rather than the resource isolation needs specific to multi-tenant HPC environments.