Dark Web & Underground

The Economist SecureDrop

The Economist instructions for submitting documents securely through its verified SecureDrop service.

Whistleblowing & Anonymous Publishing Website

The Globe and Mail SecureDrop

The Globe and Mail instructions for submitting documents securely through its verified SecureDrop service.

Whistleblowing & Anonymous Publishing Website

The Guardian SecureDrop

The Guardian instructions for submitting documents securely through its verified SecureDrop service.

Whistleblowing & Anonymous Publishing Website

The Invisible Web — ERIC

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

Deep Web Resources & Discovery Website

The Science.gov Way

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

Deep Web Resources & Discovery Website

The Washington Post SecureDrop

The Washington Post instructions for submitting documents securely through its verified SecureDrop service.

Whistleblowing & Anonymous Publishing Website

Topical Shifts in the Dark Web

Longitudinal analysis of topic changes across collected cybercrime-ecosystem discussions.

Dark Web Research & Studies Website

Tor Check

Official page that tests whether the current connection appears to be using the Tor network.

Tor & Hidden Services Website

Tor CSAM Public Health Study

Public-health research measuring harmful-content availability and searches on the Tor network.

Dark Web Research & Studies Website

Tor Mailing List Archives

Historical public mailing-list messages documenting Tor development, research and relay operations.

Dark Web Archives & Historical Records Website

Tor Monthly Report Archive

Archive of Tor Project monthly reports documenting development, research and community activity.

Dark Web Archives & Historical Records Website

Tor Project Archive

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

Dark Web Archives & Historical Records Website

Tor Project Forum

Official community forum for Tor users, relay operators, developers and onion-service administrators.

Underground Communities & Forums Website

Tor Project Status

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

Tor & Hidden Services Website

Tor Relay Search

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

Tor & Hidden Services Website

Tor Relays Mailing List

Active public discussion archive for Tor relay and bridge operators, support questions and network issues.

Underground Communities & Forums Website

Tor Research

Tor Project hub for technical reports, open research questions, datasets and research safety guidance.

Dark Web Research & Studies Website

Tor Specifications

Technical specifications for Tor protocols, directory formats and onion-service behavior.

Tor & Hidden Services Website

Tor Stack Exchange

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

Underground Communities & Forums Website

TorBot

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

Dark Web Search & Directories GitHub repo

txtorcon

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

Tor & Hidden Services Website

UNODC Darknet Cybercrime Report

UNODC report on darknet-enabled cybercrime threats and policy responses in Southeast Asia.

Dark Web Research & Studies Website

Vanguards

Tor add-on that helps onion-service operators reduce guard-discovery and related attacks.

Tor & Hidden Services GitHub repo

VeriDark Dataset

Research archive containing dark-web authorship verification datasets and baseline models.

Dark Web Archives & Historical Records GitHub repo