And what if the leaker is determined to siphon out a rarer, seldom-accessed file without flagging network monitoring technologies?

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The car was not fast or powerful but could run without flagging at a steady 80 kilometres (50 miles) an hour.

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It began in December 1967 when five secretaries at a ventilation and heating company volunteered to work an extra half hour each day without pay to do their bit for the flagging economy.

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And in a bid to jump-start flagging Cyprus talks, Turkey is reportedly ready to discuss land swaps without preconditions.

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Romney's best bet to help him shore up his conservative bona fides and flagging support is to choose someone who appeals to middle-class white voters without college degrees who understands them, Continetti said.

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