SenseMap is a visual analytics tool designed to help users effectively explore, analyze, and gain insight from complex sensor data by mapping it visually.

Nice walkthrough on the reverse engineering process for an IoT device

Smart devices manufacturers often “hard-code” in a public DNS server, like Google’s 8.8.8.8, and their devices ignore whatever DNS server is assigned by the router. Fortunately, with a few simple firewall rules, you can intercept these hardcoded DNS queries and redirect them to your DNS resolver. These instructions are for pfSense, but can be adapted to other firewall/routers.

Summary of simple steps to take to determine whether there are any hidden cameras connected to the local network of an AirBnB rental.