Speaking to ITV Daybreak, Martin Sutherland, Managing Director at Detica, a data managing company, said the potential threat to society by cyber attacks is enormous.
He added that the frequency of those attacks is increasing all the time.
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A wet, wintry night in places with rain and hill snow slow to move away from southern Scotland and northern England.
The Westminster terror attack dominates the front pages of Thursday's newspapers.
A timeline of exactly what happened.