
Russian Sandworm Group Linked to Cyberattack Bricking Polish Power Grid Equipment
ICS/OTelectric gridElectrumFeaturedICSPolandpower gridRTURussiaSandworm
A cyberattack attributed to the Russian group Sandworm (also known as Electrum) targeted communication and control systems within the Polish power grid. The intrusion affected 30 sites, resulting in the bricking (rendering unusable) of ICS/OT equipment, including RTUs (Remote Terminal Units). No specific date or additional technical details have been provided. The attack is connected to critical infrastructure in Poland.