By Steve Connor, Science Editor
The national electricity grid is wide open to a devastating cyber attack that could wreak havoc on the economy and make the 2008 financial crisis seem puny by comparison, a leading computer industry guru has told The Independent. James Martin, who has made a fortune from making predictions about future developments in computers, warned that the only sure way of safeguarding the electricity grid against a coordinated cyber assault is to disconnect it completely from the internet.
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