Attackers Heat French Supermarket Fridges Up to 50°C by Hijacking Danfoss Controllers

Attackers remotely accessed and controlled refrigeration units at numerous French supermarkets, causing them to warm up. This resulted in stores having to discard food due to the temperature increase. The attackers gained control through a device made by Danfoss, which is used to manage a store's refrigeration systems and can be accessed remotely by maintenance firms. The incident occurred on the night of October 11 and affected several retail chains, including Les Mousquetaires. The affected stores were forced to dispose of food due to the temperature increase, which reached as high as 50°C in some cases.