Free LAN scanner used for rapid discovery of devices and interfaces during site work.
Shodan
Software Tool
Overview
Shodan is a search engine that continuously scans the public internet and indexes connected devices and their exposed services. Users query it to find open ports, service banners, industrial control systems, cameras, and other reachable hosts. Canadian security researchers and defenders use Shodan to check what of their own infrastructure is exposed and to study attack surface. It was created by John Matherly and operates as Shodan, LLC.
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