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Authentication Protocol for Securing Internet of Things

The Internet of things (IoT) is become an important research topic because it integrates various sensors and objects to communicate directly with one another object without human intervention. Today, Internet of Things has so many applications in our daily life like home automation, healthcare, smart grid, smart car etc.. The requirements for the large-scale deployment of the IoT, it leads to many security concerns like how to secure these devices, data and communication from unauthorized access. As IoT uses minimal capacity "things" and wireless technology for communication which makes it more vulnerable. In this paper we discuss a mutual authentication scheme proposed by Kalra and Sood in 2015, and then we show their weaknesses and propose an improved scheme