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The usage of the Internet of Things (IoT) is growing rapidly. They can be found in our homes, in hospitals, reporting the changes in the environment and many valuable functionalities. This vast application of IoT comes with some security issues and concerns. This paper begins with introducing the architecture of IoT, analyzing the security issues, security challenges and the security requirements that exist in the three-layer architecture. Next, the IoT domains and the possible attacks that can occur in each domain are studied, hence inspecting the possible countermeasures and the necessary protective measures to be taken. |
