The most important Ukrainian telecom operator Kyivstar, which was subjected to a cyber attack by Russian hackers on Tuesday, assured this Wednesday that it is gradually restoring services.
“At the end of the day [de hoje] our specialists have begun restoring telephone communications throughout Ukraine,” company representative Irina Lelitchenko said on the social network Facebook, noting that the return of services will be “gradual” as difficulties are overcome.
The operator Kyivstar, which has more than 24 million subscribers, was the target of a cyber attack on Tuesday morning that paralyzed its mobile network and had a serious impact on the lives of Ukrainians across the country.
The company condemned the attack as an act of “war” and Ukrainian authorities said Russia was responsible.
The Russian hacker group Solntsepiok (In the Sun) claimed responsibility for the cyberattack. The crime affected an undetermined number of customers of the Ukrainian mobile communications company Kyivstar, which has approximately 24 million users.
“We, the hackers” [piratas informáticos] “Solntsepica takes full responsibility for the cyber attack on Kyivstar, the largest operator in Ukraine,” the group said on the group’s channel on the Telegram social network.
According to the group, as a result of the attack, “10 thousand computers, more than four thousand servers and all cloud storage and backup systems” stopped working.
“We attacked Kyivstar because the company provides communications to the Ukrainian army, as well as Ukrainian government and security structures. All other structures that help the Ukrainian army, get ready,” the hackers warned.
The network outage occurred on Tuesday morning, leaving some users in Ukraine without service after dark.
Kyivstar CEO Alexander Komarov linked the cyber attack, described as the largest in the last two years, to the war the country is facing.
“The war with Russia has many dimensions, and one of them is cyberspace,” he said, attributing the failure to a “powerful cyber attack.”
Ukrainian army spokesman Vladimir Fito told Ukrainian television that the armed forces “use a slightly different communication system at the front” so “the situation will not affect the actions” of the armed forces.
Other private companies such as PrivatBank also reported system failures, and Vodafone Ukraine also had problems with apps and payment systems.
In Sumy (northeast), air raid sirens stopped working, the city’s military department reported on Telegram.
In Lviv, the local city council, a large western city, reported that a power outage affected the operation of the street lighting system.
One of the largest Ukrainian banks, Monobank, announced that it had become the target of a “DDoS attack.” [negação de serviço] massive,” its co-founder Oleg Gorokhovsky said on Telegram.
The Security Service of Ukraine (SBU) began an investigation into the incident, later confirming that the attack was carried out by Russian hackers.
Author: Lusa
Source: CM Jornal
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