Cyberattack Disrupts Refrigeration Systems in 500 French Supermarkets

• •Approximately 500 supermarkets in France were affected by a cyberattack on refrigeration systems.
• •The attack raised temperatures in refrigeration units to 50 °C, leading to significant food spoilage.
• •The Paris prosecutor's office has launched an investigation into the unprecedented cyber incident.

A cyberattack on October 11-12, 2026, compromised refrigeration systems in approximately 500 supermarkets across France, causing temperatures to rise to 50 °C and resulting in significant food spoilage. The affected chains include Coopérative U and Intermarché, with estimates of losses reaching millions of euros. The attack exploited vulnerabilities in outdated equipment from Danfoss, leading to a large-scale operational disruption without data theft. The Paris prosecutor's office has opened an investigation into the incident, which has been described as by industry leaders. Initial estimates suggest that around 150 to 200 Intermarché stores and nearly 100 Coopérative U stores were impacted. The total economic impact is still being assessed, but it could amount to tens of millions of euros. Fires were also reported due to the malfunctioning refrigeration units, prompting urgent safety concerns.