Shodan is described as 'Search engine that lets you find specific computers (routers, servers, etc.) using a variety of filters. Some have also described it as a public port scan directory or a search engine of banners' and is a vulnerability scanner in the network & admin category. There are more than 25 alternatives to Shodan for a variety of platforms, including Web-based, Linux, Windows, SaaS and Mac apps. The best Shodan alternative is Criminal IP, which is free. Other great apps like Shodan are ZoomEye, Censys, IVRE and FOFA.
SearchDiggity is the primary attack tool of the Google Hacking Diggity Project. It is Bishop Fox’s MS Windows GUI application that serves as a front-end to the most recent versions of our Diggity tools: GoogleDiggity, BingDiggity, Bing LinkFromDomainDiggity, CodeSearchDiggity...
Human-in-the-loop penetration testing enhanced with AI. Identify vulnerabilities faster, reduce risk, and stay audit-ready with actionable reports and real-time visibility.
United Kingdom
External attack surface management and threat intelligence platform that monitors your domain for vulnerabilities, misconfigurations, and active threats.
Türkiye
On-demand internet scanner. Trigger a live port and service scan of any IP, CIDR or country via REST API and get fresh results in seconds.
Spain
EU
Zenkai is an automated website security scanner built for developers, IT teams, and agencies. It checks your site for real vulnerabilities — not just a header checklist.
NetherlandsEU
Attack Surface Monitor discovers and tracks what your organisation exposes to the internet, from a server you control. It ships as a single Go binary with SQLite - no database server, no agents, no telemetry.
Discover, monitor, and protect your organization's entire digital footprint with real-time alerts for security changes.
United Arab Emirates
