PARENTS have been warned to watch what they buy for their children this Christmas, after computer experts in Edinburgh hacked into a wi-fi enabled doll.

Bill Buchanan, a professor in Edinburgh Napier University’s school of computing, was able to use the wireless capabilities of My Friend Cayla, sold as a ‘living interactive doll’ to make her speak.

The academic and computer security expert said other children’s toys, as well as household gadgets from kettles to fridges, were easily hacked, and could be used as a Trojan horse to gain access to family homes.

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