Yes, Isis exploits technology. But that’s no reason to compromise our privacy
GCHQ’s new chief would do well to remember that sending encrypted emails doesn’t make you a criminal
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So if Mr Hannigan really wants to have a “mature” debate about this stuff, a good place to start would be with an assurance that citizens who use these tools simply to ensure that their private, lawful communications remain private will not be targeted for surveillance by his new subordinates. In an insecure world, cryptography is a tool for everyone.