The attack involved data-wiping malware that ESET researchers have now analyzed and named DynoWiper
https://www.welivesecurity.com/en/eset-research/eset-research-sandworm-cyberattack-poland-power-grid-late-2025/ https://www.welivesecurity.com/en/eset-research/eset-research-sandworm-cyberattack-poland-power-grid-late-2025/ ESET Research: Sandworm behind cyberattack on Poland’s power grid in late 2025 The attack involved data-wiping malware that ESET researchers have now analyzed and named DynoWiper Fri, 23 Jan 2026 16:58:26 +0000 https://web-assets.esetstatic.com/wls/2026/01-26/sandworm-poland-attack.jpg ESET research