Recently the threats of cyberattacks, especially of targeted attacks are increasing rapidly and a large number of cybersecurity incidents are occurring frequently. On the other hand, capable personnel are greatly lacking, and strengthen the systematic human resource development cultivating capabilities for cybersecurity activities is becoming an urgent issue. However, only a few parts of academia and private sector in Japan can carry out the cybersecurity exercises because of high cost and inflexibility of commercial or existing training software. On this account, in order to enforce cybersecurity practical exercises cost-effectively and flexibly, we developed a virtual environment Cybersecurity Exercises (CyExec) system utilizing VirtualBox and Docker. We also implemented an open source vulnerability scanner tool WebGoat and our original cyberattack and defense training contents on CyExec.

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