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The UK Defense Intelligence Analyzes Massive Cyber Attack Ukraine Suffered

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Russia-linked cyberattack disrupts Ukraine’s largest mobile network, impacting millions / Photo credit: The Defense Intelligence of Ukraine
Russia-linked cyberattack disrupts Ukraine’s largest mobile network, impacting millions / Photo credit: The Defense Intelligence of Ukraine

Russia-linked cyberattack disrupts Ukraine’s largest mobile network, impacting millions

On December 12, 2023, Kyivstar, Ukraine’s largest mobile network operator, suffered a cyber attack. Effects continued for at least 48 hours, impacting the company’s mobile and data services. Kyivstar supplies over half of Ukraine’s population with mobile and home internet services. The cyber attack reportedly left users without mobile signal or the ability to use the internet. Kyivstar reported that no personal data was compromised during the attack, the UK Defense Intelligence reports.

Russia-linked cyberattack disrupts Ukraine’s largest mobile network, impacting millions Defense Express The UK Defense Intelligence Analyzes Massive Cyber Attack Ukraine Suffered
Russia-linked cyberattack disrupts Ukraine’s largest mobile network, impacting millions / open source

The cyber attack also reportedly disrupted air raid sirens, some banks, ATMs and point-of-sale terminals. At the same time, the Ukrainian bank Monobank, was targeted with a Distributed Denial of Service (DDoS) attack, disrupting access to the bank’s website.

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With Ukraine’s government resources and emergency services affected, this incident is likely one of the highest-impact disruptive cyber attacks on Ukrainian networks since the start of russia’s full-scale invasion.

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