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Shodan search engine

Shodan search engine

(also or shodan)

Shodan search engine definition

The Shodan search engine, also known as or simply shodan, is a search engine specifically designed to discover and index devices connected to the internet, such as servers, routers, webcams, and other Internet of Things (IoT) devices. Unlike traditional search engines, Shodan focuses on gathering information about the devices rather than the content they host.

See also: VPN gateway

Shodan search engine examples

  • IoT devices: Shodan can discover smart home appliances, security cameras, and other connected devices.
  • Industrial control systems: Shodan can locate devices used in manufacturing, energy, and other sectors that are connected to the internet.
  • Unsecured servers: Shodan can identify servers with open ports, weak security configurations, or outdated software.

Pros and cons of the Shodan search engine


  • Identifies vulnerable devices and networks, enabling organizations to improve their security.
  • Facilitates research on IoT devices and their security.


  • Can be exploited by cybercriminals to locate vulnerable devices and launch cyberattacks.
  • Raises privacy concerns due to its ability to discover personal devices and security systems.

Tips for using the shodan search engine responsibly

  • Always use Shodan ethically, ensuring compliance with local laws and regulations.
  • If using Shodan for security purposes, work with a cybersecurity professional to address vulnerabilities.

Further reading

Ultimate digital security