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The US and UK governments have accused Russia of orchestrating the most damaging cyber-attack in history. It caused billions of dollars\\u2019 worth of damage in over 60 countries. This programme tells the story of the attack as it unfolded across the globe. With the help of the world\\u2019s leading cyber security experts we take a forensic look at how the attack began, the extraordinary way in which it spread, and examine the international repercussions.

(A laptop displays a message after being infected by a ransomware as part of a worldwide cyberattack. Photo Credit: Rob Engelaar/Getty Images)