From: Department of Justice/Bureau of Justice Assistance
The Shodan search engine enables users to discover Internet-connected devices, also known as the Internet of Things (IoT), where they are located, and who is using them. Users can also keep track of all the computers on their network that are directly accessible from the Internet to understand their digital footprint. The tool also includes power plants, Smart TVs, refrigerators, and more devices.
Additional information is available at https://www.shodan.io.
Additional cyber-related resources are available on the Law Enforcement Cyber Center Web site.