Xkeyscore Source Code Exclusive Online

Raw data is captured and filtered locally at the ingestion point before being indexed.

In the summer of 2014, the world witnessed a historic event in the annals of digital transparency: the first-ever public release of source code belonging to the United States National Security Agency (NSA). This code, part of a surveillance system called (also written as XKEYSCORE or XKS), offered an unprecedented, under-the-hood look at one of the most extensive mass surveillance programs in human history. xkeyscore source code exclusive

The following pseudo-code demonstrates how an analyst writes a rule to intercept anyone searching for specific encryption software while located in a specific geographic region: Raw data is captured and filtered locally at

XKEYSCORE is not a passive database. It is a highly distributed, real-time processing framework designed to ingest, index, and analyze massive streams of unencrypted internet traffic flowing through global fiber-optic cables and satellites. The Architecture of Mass Ingestion The following pseudo-code demonstrates how an analyst writes

In July 2014, German broadcasters NDR and WDR obtained and published excerpts of XKeyscore’s source code, marking the first time the public saw the literal instructions used by NSA computers. Key findings from this code include: