Titlebook: Internet of Things – ICIOT 2019; 4th International Co Valerie Issarny,Balaji Palanisamy,Liang-Jie Zhang Conference proceedings 2019 Springe

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https://doi.org/10.1007/978-3-030-23357-0communication channels (information theory); data mining; data security; Human-Computer Interaction (HC

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978-3-030-23356-3Springer Nature Switzerland AG 2019

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Internet of Things – ICIOT 2019978-3-030-23357-0Series ISSN 0302-9743 Series E-ISSN 1611-3349

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A Method to Secure IoT Devices Against Botnet Attacks,zle, which presents a puzzle to the remote device during the login process to prevent unrestricted log-in attempts. Login puzzle is a set of multiple mini puzzles with a variable complexity, which the remote device is required to solve before logging into any IoT device. Every unsuccessful log-in at