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In this paper, we present an end-to-end view of IoT security and privacy anda case study. Our contribution is three-fold. First, we present our end-to-endview of an IoT system and this view can guide risk assessment and design of anIoT system. We identify 10 basic IoT functionalities that are related tosecurity and privacy. Based on this view, we systematically present securityand privacy requirements in terms of IoT system, software, networking and bigdata analytics in the cloud. Second, using the end-to-end view of IoT securityand privacy, we present a vulnerability analysis of the Edimax IP camerasystem. We are the first to exploit this system and have identified variousattacks that can fully control all the cameras from the manufacturer. Ourreal-world experiments demonstrate the effectiveness of the discovered attacksand raise the alarms again for the IoT manufacturers. Third, suchvulnerabilities found in the exploit of Edimax cameras and our previous exploitof Edimax smartplugs can lead to another wave of Mirai attacks, which can beeither botnets or worm attacks. To systematically understand the damage of theMirai malware, we model propagation of the Mirai and use the simulations tovalidate the modeling. The work in this paper raises the alarm again for theIoT device manufacturers to better secure their products in order to preventmalware attacks like Mirai.

IoT Security: An End-to-End View and Case Study