Russian Hackers Had Covert Access to Ukraine's Telecom Giant for Months
Jan 05, 2024
Cyber Attack / Data Breach
 Ukrainian cybersecurity authorities have disclosed that the Russian state-sponsored threat actor known as  Sandworm  was inside telecom operator Kyivstar's systems at least since May 2023.  The development was  first reported  by Reuters.  The  incident , described as a "powerful hacker attack," first came to light last month, knocking out access to mobile and internet services for millions of customers. Soon after the incident, a Russia-linked hacking group called Solntsepyok took responsibility for the breach.  Solntsepyok has been assessed to be a Russian threat group with affiliations to the Main Directorate of the General Staff of the Armed Forces of the Russian Federation (GRU), which also operates Sandworm.   The advanced persistent threat (APT) actor has a track record of orchestrating  disruptive cyber attacks , with Denmark  accusing  the hacking outfit of targeting 22 energy sector companies last year.  Illia Vitiuk, head of the Securi...