Major cyberattack on Ukrainian mobile operator disrupts banking services and air raid sirens
By Sean Lyngaas, CNN (CNN) — A major cyberattack on Ukraine’s largest mobile operator on Tuesday disrupted a regional air raid warning service and some banking services for Ukrainians, according to the operator and local authorities. The attack appeared to be one of the more impactful cyberattacks on Ukrainian critical infrastructure since Russia’s full-scale invasion
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