Technology commentator Bill Bennett joins Kathryn to talk about the GCHQ chief's warning of the West's facing a "moment of reckoning" over cybersecurity, and the need for countries like the UK to build their own technologies lest other nations take control.
Meanwhile ransomware payments have climbed 43 per cent since the end of last year - with attackers setting their sights on big corporations.
And what happens when a computer program, used to prove you committed a crime, has a bug? Bill looks at the case of the UK Post Office.
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