Sandworm: The Most Dangerous State Hacker Group

Military Unit 74455, widely recognized in cybersecurity as "Sandworm" or "Voodoo Bear", operates from the "Tower" in Khimki, Moscow region. It is the primary offensive cyber warfare unit of the GRU.

NotPetya, BlackEnergy, and Attacks on Civil Infrastructure

Unit 74455 engineered the 2015-2016 Ukrainian power grid blackouts using BlackEnergy malware, the devastating 2017 NotPetya global cyber attack, and continuous attempts to paralyze Ukrainian governmental, logistics, and emergency dispatch systems.