Shodan is aspecialized search engine designed to discover and index internet-connected devices, making option C the correct answer. Unlike traditional search engines that index websites, Shodan scans IP addresses to identify exposed services, open ports, device banners, and system metadata.
Shodan is widely used by ethical hackers, security researchers, and defenders to identify misconfigured or exposed systems such as webcams, routers, servers, industrial control systems, and IoT devices. It provides insight into how devices are exposed to the public internet.
Option A is incorrect because Shodan is not an application for food services. Option B is incorrect because Shodan does not function as a web browser or general-purpose search engine.
From an ethical hacking perspective, Shodan is often used duringpassive reconnaissanceto assess external attack surfaces without directly interacting with target systems. This helps organizations identify exposure risks before attackers exploit them.
Understanding Shodan reinforces the importance of proper configuration, firewall rules, and access control. Ethical hackers use Shodan responsibly to demonstrate how easily misconfigured devices can be discovered and targeted, encouraging stronger perimeter security and monitoring practices.
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