Mohammad Saadaat - B.S Student Department of Computer Science Khayyam university of Mashhad Mashhad, Iran
Mohammad Reza Jafari - Faculty member Department of Computer Science Khayyam University of Mashhad Mashhad, Iran

Internet of Things is a fast growing technology. Home appliances, clothes, traffic lights, cars, cameras, and more things used by human are prone to be connected to the IoT. Any new technology has its own challenges. Security is one of the greatestchallenges of IoT. Security has been a challenge about the Internet,but in IoT domain, security is wider problem. For instance, manipulating the system of traffic lights will disrupt the security and public discipline. The daily life of human being is involved in the IoT,always and anytime is carried or controlled by users, therefore a vital role is going to be played in human interactions by IoT. Influencing the social interactions of individuals and their everyday lives can mean the penetration in the IoT and challenging the security Social engineering is not a new concept; SE is an old category that is growing steadily with no end in its vision. SE is effective because human prefer to trust naturally. Social engineers target human factors and use the trust to thieve the purposed information.Generally, SE influences social interactions. Using SE against IoT and lack of knowledge among society will be able to cause a tragedy. SE is introduced in this paper and then security challenges of IoT will be discussed. People s behaviors to keep their security will be discussed in this paper

Internet of Things, Social Engineering, Security of IoT, Social Engineering Attacks, IoT Challenges