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Is mass surveillance necessary?

A new report affirms the need for UK security agencies to gather bulk data, but there are still reasons to be cautious

By Rupert Stone  

The UK Government Communications Headquarters, better-know as GCHQ ©Steve Parsons/PA Archive/Press Association Images

David Anderson QC, the independent reviewer of terrorism legislation, has just issued a report evaluating the effectiveness of bulk data collection in counter-terrorism, counter-espionage, and other work performed by the British security agencies. The report comes at a crucial moment as the government is attempting to steer its new surveillance legislation, the Investigatory Powers Bill, through parliament. That bill would give the government broad powers…

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