The coordinated destructive campaign against critical energy infrastructure occurred on December 29, 2025, during a period of severe winter weather in Poland.
According to CERT Polska’s report, the campaign targeted: 30+ wind and solar farms across Poland; A major CHP plant supplying heat to nearly half a million customers; A manufacturing sector company characterized as an opportunistic target. The threat actor reportedly gained initial access through Fortinet FortiGate devices exposed to the internet prior to December 29th.
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Source: Elastic
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