Sandworm hackers linked to failed wiper attack on Poland’s energy systems post, januari 24, 2026januari 26, 2026 A cyberattack targeting Poland’s power grid in late December 2025 has been linked to the Russian state-sponsored hacking group Sandworm, which attempted to deploy a new destructive data-wiping malware dubbed DynoWiper during the attack.. Sandworm (also tracked as UAC-0113, APT44, and Seashell Blizzard) is a Russian nation-state hacking group that has been active since 2009. The group is believed to be part of Russia’s Military Unit 74455 of the Main Intelligence Directorate (GRU) and is known for carrying out disruptive and destructive attacks. Sandworm hackers linked to failed wiper attack on Poland’s energy systems: Sandworm hackers linked to failed wiper attack on Poland’s energy systems geopolitics 2026Russia