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The health care system has made an innovative advancement by integrating the Internet of Things. Each IoT health care device is equipped with many sensors which are adept at sensing the information from the patient. The gateway sensor aggregates all the sensed data and sends it to the cloud storage. The data are processed and forwarded from the cloud to the doctor’s interface. Even though the utilization of IoT has grown exponentially, security remains a major impediment in many applications. It is possible to inject false information, modify or steal vital information at various stages of an IoT-based health care system. These adversary attacks are grave crimes, and they may cost lives. Therefore, the security of the IoT-based health care system should be considered the primary design objective. In this paper, a digitally signed trust evaluation-based security mechanism is designed to enhance end to end security of the sensed information and protection of human life. This paper presents a framework that works effectively against malicious attacks and secures vital information from external attacks. The effectiveness of the framework is validated through extensive simulations. |
