Russian Hackers Breached Polish Power Grid Thanks To Bad Security, Report Says

Russian Hackers Breached Polish Power Grid Thanks To Bad Security, Report Says

Russian Hackers Breach Poland Power Grid Security Failures Russian government hackers infiltrated Poland's energy infrastructure in late December 2025, exploiting shockingly basic security flaws like default passwords and missing multi-factor authentication. While the attackers deployed destructive wiper malware against wind farms, solar facilities, and a heat-and-power plant, they failed to trigger blackouts. The breach exposed dangerous vulnerabilities in Europe's critical infrastructure at a time of heightened geopolitical tension. Credit: Mateusz Wlodarczyk/NurPhoto / Getty Images How a Routine December Day Turned Into a Cyber Emergency On December 29, 2025, Polish energy operators noticed something unusual. Systems monitoring renewable energy production at multiple wind and solar farms began behaving erratically. Simultaneously, a combined heat-and-power plant detected unauthorized access attempts. Within hours, Poland's national Computer Emergency Response Team (CERT) wa…