Major Cyber Attack Paralyzes Kyivstar – Ukraine’s Largest Telecom Operator


Ukraine’s biggest telecom operator Kyivstar has become the victim of a cyber attack, disrupting customer access to mobile and internet services.

“The cyberattack on Ukraine’s #Kyivstar telecoms operator has impacted all regions of the country with high impact to the capital, metrics show, with knock-on impacts reported to air raid alert network and banking sector as work continues to restore connectivity,” NetBlocks said in a series of posts on X (formerly Twitter).

Kyivstar, which is owned by Dutch-domiciled multinational telecommunication services company VEON, serves nearly 25 million mobile subscribers and more than 1 million home internet customers.

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