Evaluation of vulnerability reproducibility in container-based Cyber Range
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A cyber range, a practical and highly educational information security exercise system, is difficult to implement in educational institutions because of the high cost of implementing and maintaining it. Therefore, there is a need for a cyber range that can be adopted and maintained at a low cost. Recently, container type virtualization is gaining attention as it can create a high-speed and high-density exercise environment. However, existing researches have not clearly shown the advantages of container virtualization for building exercise environments. And it is not clear whether the sufficient vulnerabilities are reproducible, which is required to conduct incident scenarios in cyber range. In this paper, we compare container virtualization with existing virtualization type and confirm that the amount of memory, CPU, and storage consumption can be reduced to less than 1/10 of the conventional virtualization methods. We also compare and verify the reproducibility of the vulnerabilities used in common exercise scenarios and confirm that 99.3 vulnerabilities are reproducible. The container-based cyber range can be used as a new standard to replace existing methods.
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