Russian military-intelligence (GRU Unit 74455) intrusion set responsible for some of the most destructive cyberattacks publicly attributed to a nation-state: the 2015 and 2016 Ukrainian power-grid ou…
Russian state-sponsored intrusion set responsible for the December 2017 TRITON/TRISIS malware attack on the Triconex safety instrumented system (SIS) at a Saudi Arabian petrochemical facility — the f…