When Russia invaded Ukraine, for the first time ever, two mature cyber-powers began to fight over computer networks in wartime. But while Russia’s cyber-war may have been intense, its impact has been modest. Has the country’s cyber prowess been overrated?

The Economist’s Benjamin Sutherland describes the cybercriminals joining the war effort in Ukraine. Paul Chichester, operations director at the UK’s National Cyber Security Centre, analyses why Russia hasn’t had more success in the cyber domain. And Shashank Joshi, our defence editor, finds lessons from Ukraine on cyber warfare more broadly. Alok Jha hosts.

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