Courage our network

Artemis DGO and DOC Special

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, Secret U.K. Spying Report Warned of Intelligence Failure, 7 June 2016.

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