ArteMIS: DGO and DOC Special
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Government Communications Headquarters (GCHQ)

Glossary: agencies

Date Created: ca.2009-03-30
Classification: Top Secret
Distribution: STRAP 1

Glossary: classification and distribution codes.

Genre: Presentation Slides, .PDF , 6 p.

Journalist(s): Ryan Gallagher
Originating Media Outlet: The Intercept
Date Published: 2016-06-07
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Communications Target: Domestic communications
Surveillance Program(s): PRESTON

Glossary: surveillance programs.

Description: This document is an internal GCHQ slideshow. It documents a series of case studies of the use of the PRESTON program, used to intercept phone calls, text messages and internet data.