Shuichi Yogo

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After the appearance of Stuxnet, the safety assurance against cyber-attacks has been a serious problem for process control. For safety assurance, not only information system securing approaches but also process control original measures are necessary. In this paper, a new protection approach is proposed. Application of an information system securing(More)
Recently, cyber security becomes a serious problem for not only OA (Office Automation) systems but also PA (Process Automation) and FA (Factory Automation) systems. Even the controllers, which are not connected to Internet directly, have been attacked with malwares, such as Stuxnet and Quantum. When control system fails, it may lead to serious accidents(More)
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