Firms advised to put plans on paper in case of cyber-attack
The warning comes as the National Cyber-Security Centre (NCSC) reported an increase in more serious cyber attacks this year.
A recent spate of hacks has highlighted the chaos that can ensue when hackers take computer systems down.
The government has written to chief executives across the country strongly recommending that they should have physical copies of their plans at the ready as a precaution.
People should plan for potential cyber-attacks by going back to pen
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