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Contact Chaining

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Release Date: 2018-03-01
This undated GCHQ presentation, which includes speaking notes, outlines different techniques for contact chaining – moving from one contact to find all those associated with it: see the Intercept article How London’s 7/7 Bombings Led to “Unprecedented” Surveillance Tactics, 1 March 2018.
SECRET STRAP 1 Slide 15 © Crown Copyright. All rights reserved. This information is exempt from disclosure under the Freedom of Information Act 2000 and may be subject to exemption under oth...
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National Information Assurance Research Laboratory (NIARL) Newsletter – September 2008

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Release Date: 2014-12-28 Document Date: 2008-09-01
This September 2008 newsletter from the National Information Assurance Research Laboratory (NIARL), an unit within the NSA’s Research Directorate gives an indication of the agency’s progress with cryptanalysis – which, with “only a handful of in-house techniques” – appears to be modest: see the Der Spiegel story Prying Eyes: Inside the NSA’s War on Internet […]
TOP SECRET//COMINT//REL TO USA, AUS, CAN, GBR, NZL//20320108 September 2008 Edition ■ (U) Message from the NIARL Director: (U//FOUO) Welcome to the September 2008 edition of the National ...

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