Leak Lookup is a data breach search engine for searching database leaks and dumps. It offers username, email and IP address lookups across thousands of breaches to help track credentials compromised in the wild. A hash API provides hash-cracking capabilities and an API key is required to make requests.
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LeakIX is a search and reporting platform with query syntax for ports, protocols, ASNs and IP ranges. It offers free and commercial plans, with paid tiers providing faster access to results, higher request limits, critical and RCE plugins, alert channels and downloadable results. Sponsorship supports voluntary researchers who dispatch free reports to companies and institutions.
IPLeak.net is a diagnostic page that shows the IP addresses, DNS resolvers, WebRTC and torrent address information a visitor's system exposes to websites. It also explains WebRTC and DNS leaks and lists request details such as user agent and headers.
h8mail is a Python tool for email OSINT and password breach hunting. It finds passwords through breach and reconnaissance services or local data, supports premium lookup services, and can search .txt and .gz files locally using multiprocessing.
BrowserLeaks is a suite of browser-based tools that test browser security and privacy. The tests identify ways websites may reveal a real IP address, collect device information and perform browser fingerprinting. Tools include IP address display, reverse IP lookup, HTTP header, country, ISP and local time checks, plus WebRTC, DNS and IPv6 leak tests. A Features Detection tool lists HTML5 feature support.
The ICIJ Offshore Leaks Database contains information on more than 810,000 offshore entities from the Pandora Papers, Paradise Papers, Bahamas Leaks, Panama Papers and Offshore Leaks investigations. Records cover more than 80 years up to 2020. A Reconciliation API matches user data against database entities.
packet.guru is a public website offering browser privacy and network diagnostic tools. It checks user IP and location, provides Privacy and Trust scores, free DNS, WebRTC and browser-fingerprint leak tests, plus 25 network tools. The tool suite is organized into Network, DNS, WEB and Utility categories for professional use, with tools including ping, traceroute, whois, DNS lookup, URL encoder/decoder, HTTP header checks and base64 encode/decode functions.
Command-line tool for checking which known breaches may be linked to a target email address.