On the night of April 26-27, 2024, the Ukrainian hacker group BO Team and the Defense Intelligence of Ukraine carried out a hacker attack on the Russian company JSC MTT, which is a subsidiary of PJSC MTS. According to a security source, Ukrainian cyber specialists gained access to all of MTT’s network equipment in advance. After that, on the night of April 26-27, 2024, a powerful cyberattack was launched against all the seized devices. The purpose of the attack was to destroy their software and configuration files. As a result of the cyberattack, MTT JSC suffered significant damage, and the co…