Internet of Things Networks and Their Security

This article is based on a guest lecture delivered at the Technical University of Denmark.

I’m an IoT researcher with more than 10 years of experience in low-power wireless networks and embedded systems. In the early days, often our main goal was to make things work at all. Security was an afterthought; besides the fact that many of the first uses of IoT were in “toy” applications, few people were even aware of the existence of these low-power wireless sensor networks, and fewer still had the means to attack them. Now, IoT becomes more and more…