Shodan is a tool for searching devices connected to the internet. Unlike search engines which help you nd websites, Shodan helps you nd information about desktops, servers, IoT devices, and more. This information includes metadata such as the software running on each device.
Common uses of Shodan include Network Security, Market Research, Cyber Risk, scanning IoT devices, and Tracking Ransomware. This guide will focus on comprehensively covering these applications in a pentesting context.