There are many contradictions in the complex field of IoT security, with some reports that fears over threats are holding the field back while others almost say the opposite by arguing that deployments are going ahead without adequate precautions being taken. There is equal divergence over solutions, with some placing too much faith in trusted execution environments (TEEs) on their own, others believing salvation lies in secure IoT gateways to protect dumb endpoint devices. Some in the field argue that only pervasive distributed security can combat all threats and avoid single points of vulnerability. The view should be that security should be considered at the outset but that there is no one size fits all and so the degree or…