What is a Shodan dork?

Shodan is a search engine that lets the user find specific types of computers (webcams, routers, servers, etc.) connected to the internet using a variety of filters.
Then, what is shodan exploit?
Shodan is basically a search engine which helps to find (routers, switches, Scada etc.) mainly vulnerable systems on the internet . It is widely known as Google for hackers. It is mainly a search engine of service banners in which metadata (data about data) is sent from the server to client.


