|Creator: ||National Security Agency - Special Source Operations|
|Classification:||Top Secret : COMINT|
Glossary: classification and distribution codes.
|Genre:||Presentation slides, .PDF , 7 p.|
|Journalist(s):||Barton Gellman : Ashkan Soltani : Andrea Peterson|
|Originating Media Outlet:||The Washington Post|
|Date Published:||2013-11-04||Click here for article|
|Click here for an archived link to the article|
|Communications Target:||Domestic communications|
|Surveillance Program(s):||MUSCULAR : WINDSTOP : INCENSER : TURMOIL|| |
Glossary: surveillance programs.
|Description: This document is a series of presentation slides created by the NSA's Special Source Operations. It describes the MUSCULAR program, a program administered by GCHQ that collects the internet "cloud" traffic of Yahoo and Google from an interception point on British territory. It also describes the sources of intelligence from the President's Daily Brief, the premier U.S. intelligence product, drawn from all sources of the 16 intelligence agancies and available only to the president and a small number of his closest personal advisers.|