Ukraine’s Largest Telecommunication Provider Paralysed by a Massive Cyberattack

Kyivstar, Ukraine’s main provider of telecommunication services, says that it’s been the target of a ‘powerful hacker attack’. The attack left customers without mobile or internet signal and caused the air raid sirens in the northeastern city of Sumy to malfunction as a result of the outage. Kyivstar has over 25 million mobile customers and […]

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