In the long term, while we may never be able to eliminate electronic espionage, we may be able to reduce its reach through vigilance and diplomacy.

CNN: Cyber arms control? Forget about it

And we must face it with the people of this country, so that we have some shared understanding of the nature of these new, more complex terrorist threats, and a shared commitment to facing up to them: through vigilance, through support for the security authorities, and through an understanding of the difficult decisions that have to be faced by government.

BBC: Terror warning: Revised statement