selling user data is an advanced reference page for safety checks, warnings, niche resources, or technical notes.
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Advisory Database is a GitHub repository or organization with source code, releases, documentation, or project resources.
GitHub collection of APT reports, threat actor notes, and security research documents.
Database of fake and fraudulent websites used to research online scams, phishing pages, and suspicious domains.
Exploit-DB paper archive with security research, exploitation papers, and technical writeups.
automates gathering website profiling data into a CSV from the "BuiltWith" or "Wappalyzer" API for tech stack information, technographic data, website
Hash lookup service for checking password hashes against large precomputed cracking databases.
Domain intelligence tool for researching WHOIS data, ownership patterns, and connected domains.
Fortinet threat intelligence portal for security updates, IP reputation, malware, and web filtering data.
Guide to free and open source privacy tools, safer apps, and alternatives to data-heavy services.
Google notebook environment for running Python code, experiments, data analysis, and research workflows.
Python OSINT crawler for extracting URLs, files, endpoints, and related website data.
Abuseipdb helps search threat intelligence, IP reputation, domains, and security investigation data.
Internet intelligence tool for looking up ASN details, IP information, and BGP routing data.
Threat map from FireEye/Mandiant showing cyber activity and attack visualization data.
Calculator for converting and evaluating infix, postfix, and prefix expressions.
Free and open-source domain and infrastructure research toolkit combining DNS, RDAP, WHOIS, passive subdomain discovery, IP and ASN data, email authen
Retrieve DNS records, subdomains, SSL certificates and WHOIS / RDAP data for a given website.
A database of IP addresses that have been part of the Tor network. It answers the question whether there was a Tor relay running on a given IP address
Security research toolkit for extracting, transforming, and analyzing data during investigation workflows.
Hash search database for looking up password hashes and contributed recovery results.
IANA database listing top-level domains, registry operators, and root zone delegation data.
Research paper and dataset about internet-wide scanning and host discovery from 2012.
Shodan InternetDB lookup for checking open ports, vulnerabilities, tags, and host data by IP.