Cisa CISA Warns U.S. After Cyberattack on Poland's Energy Grid Linked to Russian Hackers
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A cyberattack targeting Poland's energy grid in December has been linked to a Russian government-affiliated hacking group. The attack affected 30 wind and photovoltaic farms and prompted the Cybersecurity and Infrastructure Security Agency (CISA) to issue a warning to U.S. critical infrastructure operators on February 10, 2026. This alert follows a report from Poland's Computer Emergency Response Team released on January 30, 2026.
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Timeline
2025-12-01
Cyberattack on Poland's energy grid occurred
2026-01-30
Poland's CERT report links attack to Russian hackers
2026-02-10
CISA issues warning to U.S. infrastructure operators
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