Follow-Up Report of the December 2025 Energy Sector Incident

During the attacks against Poland’s energy sector in late 2025, a second combined heat and power plant was also affected. We are publishing a report detailing an investigation that lasted more than three months and led to the discovery of a previously unobserved attack vector involving a private APN.

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Article Link: Follow-Up Report of the December 2025 Energy Sector Incident | CERT Polska