Traditional inanimate objects are given new life and interactivity thanks to the Internet of Things. Sensors that can detect and identify their surroundings are becoming more widespread in everyday electronics as we go further into the Internet of Things (IoT) domain.They are able to process data, be connected to a network, and interact with other electronic devices through the internet. The Internet of Things aims to achieve its goal of connecting almost everything to a centralized network. It gives us the ability to monitor and take control of our various electronic devices. The framework of Iot systems consists of several layers, sensors, controllers, protocols, as well as web services. The Internet of Things design is crucial to the deployment of services required. Previously there are tens of distinct Internet of Things designs available from the research community. The research community has brought to light a number of difficulties, some of which are interoperability, privacy and security, reliability, energy limit, scalability, and a lack of agreed standards. However, in order to provide an acceptable design for IoT, consideration should be given to requirement analysis since the degree of need and the order of importance of demands might vary depending on the context. The purpose of this paper research is to provide a methodical mapping that focuses on security and application survey to Offer a well-organized summary of current research tendencies, such as the design of the Internet of Things (IoT), the difficulties associated with information security, functioning items that make use of the technology, simulation tools, and so on. In addition, a technical taxonomy for these challenges is provided, which is derived from the publications that were researched.