Cyber attack on the cooling systems of supermarkets in Europe Supermarket chains in Sweden, Belgium and Luxembourg announced that the temperature of the refrigerators and freezers in dozens of their branches rose during the last night; An issue that raised concerns about the occurrence of a cyber attack similar to the attack in France, which led to the loss of food worth millions of euros. French police announced in October that hackers had taken over the refrigeration systems of up to 700 supermarkets in a massive attack; An attack that led to heavy damage caused by food spoilage and exposed the vulnerability of systems connected to the Internet. Most of the cold food storage departments in supermarkets are connected to the Internet to enable remote maintenance and to receive notifications of system malfunctions. - Link.