dragos-2025-poland-attack-report.pdf

ELECTRUM: CYBER ATTACK ON POLAND’S ELECTRIC SYSTEM 2025 UPDATED JANUARY 2026 Executive Summary

Why We’re Publishing

This Report

On December 29, 2025, a coordinated cyberattack targeted multiple sites across the Polish power grid, specifically those connected to distributed energy generation. The attack affected communication and control systems at combined heat and power (CHP) facilities and systems managing the dispatch of renewable energy systems from wind and solar sites. While the attack did not result in power outages, adversaries gained access to operational technology systems critical to grid operations and disabled key equipment b…