Search results

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

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

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

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

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

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

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

Historical lookup showing whether an IP address appeared as a Tor relay on a specified date.

Research and explainers on dark-web investigations, criminal forums and threat-intelligence methods.

Research article cataloging ransomware leak sites and explaining how their status is tracked.

Research articles on dark-web monitoring, exposed data, cybercrime groups and external threats.

Analyst posts on deep- and dark-web activity, threat actors and underground communities.

Reporting and explainers on dark-web activity, leak sites and underground cybercrime.

Question-and-answer archive covering Tor configuration, relays, onion services and research.

Twisted-based Python library for controlling Tor and building onion-service applications.

Official interface for exploring public Tor relay and bridge metadata from Onionoo.

Terminal monitor for inspecting a local Tor process, circuits, connections and relay activity.

CUNY research paper examining automated collection and analysis of dark-web forum data.

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

Research study examining the structure and technical characteristics of dark-web content and services.

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

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

Open-source interface and API project for searching indexed onion content.

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