This document is a presentation describing the NSA's query program, XKeyscore. The program's structure, appearance and technical architecture are described and compared to other tools available to the NSA. The document also contains examples of the uses to which the program has been put.
National Security Agency
Three pages completely redacted
National Security Agency, “XKEYSCORE,” Snowden Archive, accessed December 1, 2022, https://grid.glendon.yorku.ca/items/show/832.
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