Official source guide for using verified SecureDrop instances and protecting submission codes.
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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.
Open-source platform used by organizations to run secure, privacy-preserving whistleblowing portals.
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.
Explains how metadata and structured access affect discovery of database-backed and deep-web content.
Guide to search tools and databases that surface information outside conventional web indexes.
Aftenposten AS instructions for submitting documents securely through its verified SecureDrop service.
Aftonbladet instructions for submitting documents securely through its verified SecureDrop service.
Bloomberg Industry Group instructions for submitting documents securely through its verified SecureDrop service.
Bloomberg News instructions for submitting documents securely through its verified SecureDrop service.
CBC instructions for submitting documents securely through its verified SecureDrop service.
Dagbladet instructions for submitting documents securely through its verified SecureDrop service.
Narrative podcast documenting breaches, underground actors, darknet cases and security investigations.
Der Spiegel instructions for submitting documents securely through its verified SecureDrop service.
Financial Times instructions for submitting documents securely through its verified SecureDrop service.
Forbes instructions for submitting documents securely through its verified SecureDrop service.
Forbidden Stories instructions for submitting documents securely through its verified SecureDrop service.
Practical guidance for journalists receiving sensitive tips and protecting confidential sources.
Greekleaks instructions for submitting documents securely through its verified SecureDrop service.
Kenneth R. Rosen instructions for submitting documents securely through its verified SecureDrop service.
Investigative reporting archive focused on dark-web markets, breaches and underground actors.
New York Times instructions for submitting documents securely through its verified SecureDrop service.