Sandworm hackers linked to failed wiper attack on Poland’s energy systems

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.. [...]

source https://www.bleepingcomputer.com/news/security/sandworm-hackers-linked-to-failed-wiper-attack-on-polands-energy-systems/