Poland's electric grid was recently targeted by wiper malware, likely linked to Russian state hackers. This cyberattack occurred in late December and aimed to disrupt communication between renewable energy installations and power distribution operators. However, the attack did not succeed, and the exact reasons for its failure remain unclear. Security firm ESET identified the malware as a wiper, designed to permanently erase data and cripple operations. Their analysis suggests the attack was carried out by the Russian hacker group Sandworm, known for previous aggressive cyber operations. ESET researchers expressed medium confidence in this attribution, citing similarities with past Sandworm incidents. Notably, Sandworm was responsible for a significant attack in Ukraine in December 2015, which left 230,000 people without power for hours during severe winter weather. Despite the potential for disruption, ESET confirmed that there were no successful outages resulting from this recent attack. The incident highlights ongoing cybersecurity threats to critical infrastructure, particularly from state-sponsored actors. The context of this attack reflects a broader pattern of cyber warfare tactics employed by Russia against perceived adversaries.