Counting the consequences of cyberattacks

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When President Biden met President Putin in Geneva in June, he reminded his Russian counterpart of something important: that the US has “significant cyber capability”. With a nudge and a wink, he was warning Russia that enough was enough.

This subtle shift in tone is unsurprising. From Russia’s alleged interference in the 2016 election, to the attack last year on networking firm SolarWinds, which compromised software used by the US and UK governments, the US has long been a target of foreign hacking capabilities.

But what can Biden do? And, more importantly, what is he – or any other world leader –