GSM Classification Guide
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National Security Agency

Glossary: agencies

Date Created: 2012
Classification: Top Secret : COMINT
Distribution: 5VEY

Glossary: classification and distribution codes.

Genre: Classification guide, .PDF , 2 p.

Journalist(s): Ashkan Soltani : Barton Gellman
Originating Media Outlet: The Washington Post
Date Published: 2013-12-10
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Communications Target: Domestic communications
Surveillance Program(s): GSM Surveillance Programs : CHALKFUN : FASCIA

Glossary: surveillance programs.

Description: This document is a classification guide relating to elements of the NSA's GSM (Global System for Mobile Communications) surveillance programs. It relates specifically to the harvesting and processing of mass bulk location information produced by mobile devices. This data is largely stored within the FASCIA database, and queryed using the CHALKFUN tool.