Poland's energy infrastructure faced a cyber intrusion last December, attributed to Russian government hackers. The country's Computer Emergency Response Team (CERT) disclosed this information on Friday, revealing that the attacks affected wind and solar energy farms as well as a heat-and-power plant.
The report highlighted a significant lack of security measures, with targeted systems utilizing default usernames and passwords without multi-factor authentication. While the hackers attempted to deploy wiper malware to erase systems, the attacks were thwarted at the heat-and-power plant, although the wind and solar farms experienced operational failures due to the malware.
Despite the destructive nature of these attacks, they did not disrupt power supply to any facilities nor jeopardize the overall stability of Poland's power grid. CERT has attributed these incidents to the Russian hacking group known as Berserk Bear, diverging from previous accusations against Sandworm, which has a history of similar attacks in Ukraine.