Kyivstar rejects Security Service's claim that hackers had been in operator's system for months
Kyivstar, Ukraine's largest mobile operator, does not confirm the information about the months-long access of hackers "inside" the company to the personal data of subscribers and their leakage. Source: company's spokesperson Iryna Lelichenko on Facebook Quote: "The official investigation of the cyberattack on the Kyivstar network that took place on 12 December 2023 is still ongoing and various lines of enquiry are being considered and voiced, but until the official completion of the investigatio