International Association of Scientific Innovation and Research (IASIR)
With the mounting prominence of the internet, secure transmission of information is crucial. The paper primarily focuses on recent research trends in security and privacy of Internet of Things (IoTs). The benefits IoT has delivered is immense but at the cost of data security. Characteristics, architecture and limitations of IoT have been conferred for improved understanding for the readers. Security, privacy and trust have become a serious matter of concern with the increasing number of IoT. The authors have also addressed a numbers of security challenges in IoT like encryption, key distribution, PKI, trust, etc.