Guide to search tools and databases that surface information outside conventional web indexes.
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A collection of guides from the Freedom of the Press Foundation on source protection for journalists working on sensitive subjects. The guides cover creating processes to keep journalists and sources safe, addressing the first contact problem, Signal setup, security considerations for confidential tip pages, working with whistleblowers, address book risks, and sharing sensitive leaks with the press.
SecureDrop for Sources is a documentation guide introducing sources to using SecureDrop. SecureDrop is a tool news organizations and NGOs use for secure and anonymous communication between whistleblowers and journalists. Submitted information is encrypted, no personal information is collected, and it is not a cloud service. It accepts messages and individual file uploads up to 500MB.
Official guides for understanding, deploying and maintaining Tor onion services.
A Tor Project page that summarizes resources the project provides for research on improving Tor design, monitoring the Tor network, and studying attacks and defenses for anonymous communication systems. It points researchers to data collection, analysis guidance and measurement and attack tools.