Longitudinal study measuring unique Tor onion services while accounting for mirrors and topology bias.
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Research study examining the structure and technical characteristics of dark-web content and services.
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.
Measurement study mapping the I2P anonymity network and analyzing its observable structure.
Study of whether website fingerprinting can distinguish and identify Tor onion-service traffic.
Research paper evaluating abuse observed through a controlled honeypot hosted as a Tor onion service.
RAND study of illicit online markets and the operational lessons they present for public policy.
Longitudinal analysis of topic changes across collected cybercrime-ecosystem discussions.
Public-health research measuring harmful-content availability and searches on the Tor network.
Official source guide for using verified SecureDrop instances and protecting submission codes.
ERIC record for a guide to finding specialized databases and other web content missed by search engines.
Official Rust implementation of Tor with developer documentation and project tracking.
Analyst articles on darknet communities, ransomware, leak activity and underground intelligence.
Research articles on dark-web monitoring, exposed data, cybercrime groups and external threats.
Research article cataloging ransomware leak sites and explaining how their status is tracked.
Official guides for understanding, deploying and maintaining Tor onion services.
University guide to finding databases and information that ordinary search engines do not index.