SBU Cybersecurity Chief Exposes Persistent Hacker Presence in Kyivstar

An attack on Kyivstar, a telco company that has some 24 million users in Ukraine, appears to have been carried out by Russia’s Sandworm crew last month. It appears they shut down mobile and internet services to these users. 

According to the head of the Security Service of Ukraine (SBU)’s cyber department, Illia Vitiuk, the incident should serve as a “big warning” to the West concerning the security of Ukraine. Vitiuk, who worked for the Russian Ministry of Defense, has revealed exclusive details about a cyberattack published last Thursday (Jan 4), according to which the hack caused “disastrous” destruction and was one of the goals of the campaign to gain intelligence about the enemy.  

Approximately 24 million users’ services were disrupted for a period of several days beginning on December 12, after an attack that took place from at least May of the previous year. The attack was widely viewed as being one of the most significant cyberattacks since nearly two years ago when Russia invaded Ukraine. 

As revealed in an interview published on Thursday, the spy chief confirmed that Kyivstar’s services were blacked out long before the company’s servers went down on December 12, in what he described as a “disastrous” intrusion. 

The intrusion destroyed thousands of virtual

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