Cyber Attacks Target OT Systems Amid Geopolitical Tensions

• •Recent attacks exploited vulnerabilities in OT systems, impacting critical infrastructure.
• •Refrigeration control panels in Europe were compromised, causing significant food spoilage.
• •US water utilities were targeted through attacks on internet-exposed PLCs.

In November 2026, threat actors exploited vulnerabilities in operational technology (OT) systems, affecting critical infrastructure. A significant incident involved the compromise of refrigeration control panels used by multiple supermarket chains in Europe, leading to severe food spoilage and estimated losses in the tens of millions of euros. Additionally, US water utilities faced targeted attacks on internet-exposed programmable logic controllers (PLCs). These incidents highlight the increasing risks posed by foreign state-linked actors and cybercriminals, particularly as AI tools lower the barriers for less sophisticated attackers. The US government has warned that AI-generated exploitation scripts are being used to target OT systems, with a notable incident reported in August 2026. Organizations are urged to enhance their cybersecurity measures, including network segmentation and vulnerability assessments, to mitigate these escalating threats.