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Life & fun · April 13, 2015

Explore the World of Industrial Control Systems

Search Engine for the Internet of Things

Explore the World of Industrial Control Systems launched on April 13, 2015 with 13 votes, #1,117 of 3,600 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.

In plain words

Shodan is a search engine that finds internet-connected industrial control systems like power plant turbines, factory robots, and building automation equipment. It continuously scans the internet to locate these devices and provide access to their information. The platform is designed for security researchers, enterprise users, and IT professionals who need to discover and monitor internet-accessible industrial control systems, including those using protocols like Modbus.

written from the facts on this page · September 2026

From the sources

Industrial control systems (ICS) are computers that control the world around you. They're responsible for managing the air conditioning in your office, the turbines at a power plant, the lighting at the theatre or the robots at a factory Shodan continuously crawls the Internet and discovers Internet-accessible ICS devices. If you have an enterprise subscription to Shodan you can use the tag search filter with a value of ics to get a list all ICS on the Internet right now. Modbus is a popular protocol for industrial control systems (ICS). It provides easy, raw access to the control system without requiring any authentication. S7 (S7 Communication) is a Siemens proprietary protocol that runs…from shodan.io

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