Russia-linked wiper targets Poland’s grid but power stays on

Poland’s electric grid was targeted by a new wiper malware, allegedly from Russia’s Sandworm group, on the late-December anniversary of a Ukraine grid attack. The payload, dubbed DynoWiper, aimed to disrupt communications between renewables and grid operators but did not cause a blackout. Attribution is at medium confidence and researchers say there’s no evidence of disruption, with several possible reasons the attack failed.