DynoWiper Malware Targets Energy Firms in Destructive Data-Wiping Attacks

A new data-wiping malware dubbed DynoWiper, deployed against an energy company in Poland in late December 2025. The malware’s tactics, techniques, and procedures closely mirror those observed in earlier ZOV wiper incidents in Ukraine, prompting ESET to attribute DynoWiper to Sandworm with medium confidence. Unlike ZOV, which carries a high-confidence Sandworm attribution, the lower confidence […]

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