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New Contact-Chaining Procedures to Allow Better, Faster Analysis


Release Date: 2013-09-28 Document Date: 2011-01-03
This NSA memo, dated 3 January 2011, draws analysts’ attention to a rule change, allowing “contact chaining, and other analysis, from and through any selector, irrespective of nationality and location, in order to follow or discover valid foreign intelligence targets”: see the New York Times article N.S.A. Gathers Data on Social Connections of U.S. Citizens, […]
(S//SI//REL) New Contact-Chaining Procedures to Allow Better, Faster Analysis FROM: Run Date: 01/03/2011 (U//FOUO) Editor’s note: A briefing will be held on 7 January from 1000-1130 in ...

Cyber Defence Operations Legal and Policy


Release Date: 2015-09-25
This undated page from GCHQ’s internal GCWiki shows that the agency’s usual retention periods for metadata and content can be extended for cyber defence purposes: see the Intercept article Profiled: From Radio to Porn, British Spies Track Web Users’ Online Identities, 25 September 2015.
cyber-defence-operations-legal-and-policy-p1-normal.gif: TOP SECRET STRAP 1 COMINT The maximum classification allowed on GCWiki is TOP SECRET STRAP1 COMINT. Click to report inappropriate cont...


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