Київстар
18 jan, 13:57
Russian cyber attack cost Ukraine's one of two largest mobile operators $95 million
16 dec, 15:59
UK intelligence calls cyberattack on Ukrainian mobile operator "one of the largest" during war
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Russian hackers claim responsibility for attack on major Ukrainian mobile operator
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"Unbroken" rehabilitation center and Kyivstar mobile operator start project to heal children's burns
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