Search results

Research covering cybercriminal communications, darknets, underground forums and financial crime.

Open-source research crawler for collecting links and metadata from reachable onion pages.

Analyst articles on darknet communities, ransomware, leak activity and underground intelligence.

Research study on identifying and understanding search interfaces that expose hidden-web databases.

Guide to search tools and databases that surface information outside conventional web indexes.

Research paper on integrating data from web databases that are not directly indexed by search engines.

National Academies chapter explaining deep-web content, discovery limits and information retrieval.

University guide to finding databases and information that ordinary search engines do not index.

ERIC record for a guide to finding specialized databases and other web content missed by search engines.

DARPA research program that developed domain-specific search methods for hard-to-index web content.

Explains federated searching across government science databases often described as the deep web.

Research paper on finding and organizing scholarly databases within the academic invisible web.

National Transportation Library record for research on discovering and cataloging hidden-web resources.

Search engine for finding indexed Tor onion services, with abuse filtering and public documentation.

Federated search portal querying science databases and repositories across many countries.

Open-source command-line tool that queries multiple onion search engines and exports results.

Explains how metadata and structured access affect discovery of database-backed and deep-web content.

Leak-awareness search page for checking whether identifiers appear in exposed datasets.

Python package that queries several search engines to find indexed Tor onion pages.

Research paper describing large-scale crawling and analysis methods for onion services.

Study of whether website fingerprinting can distinguish and identify Tor onion-service traffic.

Official archive of older Tor software, websites, mailing lists, reports and project material.

Official service-status page for Tor Project websites, bridges, directories and network services.

Searchable timeline of publicly reported breaches with affected organizations, dates and data types.