ESET Research: Sandworm behind cyberattack on Poland’s power grid in late 2025
ESET Research The attack involved data-wiping malware that ESET researchers have now analyzed and named DynoWiper ESET Research 23 Jan 2026 • , 1 min. read In late 2025, Poland’s energy system faced what has been described as the “largest cyberattack” targeting the country in years. ESET Research has now found that the attack was the work of the notorious Russia-aligned APT group Sandworm. “Based on our analysis of the malware and associated TTPs, we attribute the…
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