In April 2025, pro-Russian hackers breached the Lake Risevatnet dam in Bremanger, Norway, by exploiting a weak password in its web-accessible control system. The attackers remotely opened a water valve, releasing 500 liters per second for four hours before detection. While no injuries or structural damage occurred, the incident exposed critical vulnerabilities in Norway’s infrastructure, amplifying public fear as part of Russia’s hybrid warfare campaign targeting Europe. A pro-Russian group later posted a video on Telegram claiming responsibility, showcasing the dam’s control panel. Norwegian authorities, including the Police Security Service (PST), linked the attack to broader Russian efforts to destabilize Western nations through cyber means. The breach underscored systemic risks in industrial control systems (ICS), with 73% of such systems in Europe and the U.S. reported as vulnerable in 2024. Though the physical impact was minimal, the attack demonstrated the potential for disruption of essential services and psychological manipulation, aligning with Russia’s strategy of sowing chaos without direct military confrontation.