The best free alternative to Shodan is Criminal IP. If that doesn't suit you, our users have ranked more than 25 alternatives to Shodan and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Shodan are ZoomEye, Censys, IVRE and FOFA.
Criminal IP protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects.
Criminal IP has the benefit of being in Beta. They're completely free to use.
the free service is appealing
never imagined i could one day find myself a hacked website... cheers to the team!
the best shodan alternative
Censys is a search engine that allows computer scientists to ask questions about the devices and networks that compose the internet.
no limit on number of searches, lots of filters
Fresher data, more ports scanned
Great for indexing local networks and such
Because it's an open-source framework for scanning, indexing and researching data about connected device... Like Shodan.
Because it's completely free and open-source and works exactly like Shodan.
ONYPHE is a search engine for open-source and cyber threat intelligence data collected by crawling various sources available on the Internet or by listening to Internet background noise.
Wapiti allows you to audit the security of your web applications. Wapiti is a command line tool.
LeakIX is a search engine indexing open hosts on the internet. It focuses on listing the databases and table names and keeps a history of every successful connection.
Has less data but is free for all. Also table names (mysql), collection names (mongo), index names ( elasticsearch ) and topic ( kafka ) names are searchable.
Simple, too the point indexer with nice querying capacities
Vulners is a high-quality correlated database of software vulnerabilities. Users can create a custom VM solution using our consolidated database through API, multiple vulnerability scanners, plugins, and many other security tools and integrations.
Natlas is an open source project designed to provide scalable network scanning and an interface to search through the results. For more information, visit github.com/natlas/natlas
TEQNIX is a platform with a number of tools and strategies for penetration testers, red teamers and secops. It promotes automation with scanners and utilities and also assist in a real-time attack situation.
Golem Security Scanner is a powerful and intuitive website security scanner which uses a combination of proprietary and open source scanners to maximize the scan findings. Much less expensive for the paid version than other providers, with a free option which scans a portion of...
South Korea
China
United States
France
EU
If you are looking for a free search engine, Criminal IP should be your choice. I mean, it's currently in beta stage and free so why not?