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    Cyberattack has global reach

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Cyberattack has global reach

CNN's Cyril Vanier talks to internet security analyst Hemu Nigam about the massive cyberattack that hit a number of countries and organizations.

Cyberattack has global reach

CNN's Cyril Vanier talks to internet security analyst Hemu Nigam about the massive cyberattack that hit a number of countries and organizations.