Rudd's message to Hancock must've been intercepted...

Digital minister Matt Hancock has praised the "crucial role" of encryption in today's society, just a day after Home Secretary Amber Rudd called for an encryption ban on applications such as WhatsApp.

Hancock was relaying the story of radio inventor Guglielmo Marconi in a speech at the Institute of Directors.

He said when demonstrating a radio signal from Cornwall to London he became the "victim of one of the world's first hacks".

He said: "A rival inventor, unimpressed by Marconi's supposedly secure system, hijacked the demonstration by transmitting his own messages to Marconi's morse code printer, in an act Marconi branded 'scientific hooliganism'."

That incident made governments sit up and take notice, he said.

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