Cyberattack on French supermarkets Intermarché and Coopérative U forces shutdown of refrigerators and food waste

On October 11-12, 2026, a cyberattack targeted refrigeration systems in hundreds of French supermarkets, including Intermarché and Coopérative U, forcing them to discard fresh and frozen food. The attack, described as unprecedented, also affected E. Leclerc and possibly other chains. The Paris prosecutor opened an investigation. The incident raises concerns about cyber threats to critical infrastructure in France, especially amid heightened tensions with Russia.