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Artemis DGO and DOC Special


Release Date: 2016-06-07 Document Date: 2009-01-01
This extract from a 2009 GCHQ presentation includes a report on PRESTON, the agency’s programme for intercepting the communications of individuals or organisations who are subject to surveillance warrants. The report found that, in one six-month period, 97% of such communications had not been viewed by the authorities: see the Intercept article Facing Data Deluge, […]
TOP SECRET STRAP 1 DGO and DOC Special TOP SECRET STRAP 1 This information is exempt from disclosure under the Freedom of Information Act 2000 and may be subject to exemption under other...


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