Prior to Cyber Attack, Russian Attackers Spent Months Inside the Ukraine Telecoms Giant

Kyivstar experienced a large-scale malfunction in December 2023, resulting in the outage of mobile communications and the internet for about 24 million users for several days.

How? Russian hackers broke into the Ukrainian telecommunications giant’s system in May 2023.

Ilya Vityuk, the chief of the Security Service of Ukraine’s (SBU) cyber security department, told Reuters that the attack’s aim was to inflict a psychological blow on the public and gather intelligence information.

“This attack is a big message, a big warning, not only to Ukraine, but for the whole Western world to understand that no one is actually untouchable,” stated Vityuk.

He said that hundreds of virtual servers and PCs were among the “almost everything” that the attack destroyed.

Reuters writes this is most likely the first instance of a catastrophic cyberattack that destroyed a telecoms operator’s core. This happened despite Kyivstar’s significant investment in cyber security. The SBU discov

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