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Saturday, 17 October 2026

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Cyberattack disrupts refrigeration systems of French supermarkets

On Monday, hundreds of French supermarkets faced a cyberattack that disrupted cooling systems, leading to the destruction of many fresh and frozen products.

Archive photo: Cyberattack disrupts refrigeration systems of French supermarkets
Archive photoPhoto: Nationaal Archief · Wikimedia Commons · CC0

On Monday, hundreds of supermarkets in France were affected by a cyberattack targeting their refrigeration systems. The hackers manipulated the system to heat the cooling equipment instead of cooling it, causing temperatures in some refrigerators and freezers to rise to 50 degrees Celsius.

Several supermarket chains, including Intermarché, E.Leclerc, Netto, and Coopérative U, were among the affected stores. Many supermarkets had to discard their stock, which had become unusable due to the high temperatures. The damage is estimated to be in the millions of euros.

The attack occurred at night and resulted in severe disruptions to food storage. French media report that issues have been reported not only in France but also in some stores in Belgium, such as Albert Heijn and Delhaize, although the situation in Belgium appears to be under control for now.

Archive photo: Cyberattack disrupts refrigeration systems of French supermarkets
Archive photoPhoto: BlueHypercane761 Derived from the graph at Graphana - Authentication metrics · Wikimedia Commons · CC BY-SA 4.0

According to reports, the vulnerability lay in the refrigeration technology of Danfoss, a Danish manufacturer of cooling equipment. This technology was used in many of the affected stores, amplifying the impact of the attack.

The cyberattack has garnered significant attention, with experts describing it as an unprecedented level of cybercrime. This has raised concerns about the safety of customer data and the possibility of such attacks recurring in the future.

Information about this attack is under further investigation, with supermarkets and suppliers working closely to resolve the situation and prevent such incidents from happening again. French media continue to monitor the situation and provide updates on the recovery process.