Russian Hackers Permanently Damage Equipment in Attack on Polish Power Grid

Russian hackers targeted Poland's grid, damaging control systems in a rushed attack by Sandworm, highlighting risks to energy resources.

By Content Team

Jan 30, 2026

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Russian-linked threat actors attacked Poland's power grid, targeting communication and control systems at roughly 30 sites including wind, solar, and heat facilities. The attack, attributed to the Sandworm group, marked the first major operation specifically targeting distributed energy resources.

While no power outages occurred, hackers permanently "bricked" some industrial control devices beyond repair. The attackers deployed wiper malware and systematically compromised remote terminal units that connect physical equipment to control systems.

Unlike previous coordinated attacks on Ukraine's grid, this operation appeared rushed and opportunistic. Security firm Dragos noted the compressed timeline prevented more devastating damage, though the threat group possesses capabilities for greater destruction.

Source: SecurityWeek

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