Shodan

Shodan is a search engine designed for discovering Internet-connected devices. While traditional search engines like Google and Bing focus on indexing websites, Shodan specializes in exploring the broader Internet infrastructure. It can help you analyze which countries are becoming more connected, identify the most commonly used versions of Microsoft IIS, locate malware command-and-control servers, or assess the potential impact of newly discovered vulnerabilities — tasks that standard web search engines aren’t built for.

Shodan collects data from devices directly connected to the Internet, querying them for publicly accessible information. The range of indexed devices is vast, including everything from personal computers and smart home devices to critical infrastructure like nuclear power plants.

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