If Google is the search engine for websites, Shodan is the search engine for the internet’s hidden machines, from webcams, databases, power grids, to sometimes even nuclear controls. Created by John Matherly in 2009, Shodan (named after the antagonist in System Shock) is a search engine that continuously scans the entire IPv4 address space, cataloging every internet-connected device it finds. Unlike traditional search engines that crawl web pages, Shodan performs network scan