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Russia is trying to "weaponise" information. That was the prime minister's warning.

In a speech this week a senior adviser to the boss of Google was issuing a warning of his own.

Jared Cohen declared that "all future wars are going to begin as cyber wars". Cohen runs a think tank called Jigsaw - formerly Google Ideas - which aims to come up with ways to combat cyber disruption.

(Photo: A computer showing encryption warning. Credit: Getty Images)