Fridges in French supermarkets hit by cyber attack

Hundreds of French supermarkets have been hit by a cyber attack that caused their fridges and freezers to heat up, spoiling fresh and frozen food estimated to be worth millions of euros.Hackers reportedly gained control of the software that regulates the temperatures of the refrigeration units, forcing some to warm to 50C (120F) overnight.The chief executive of Coopérative U said several of its supermarkets had been hit by the "extremely serious and unprecedented" attack. More than 100 of the chain's supermarkets were targeted, while at least 300 stores from Intermarché and its Netto brand were affected, according to the AFP news agency.Intermarché said its fridges had heated up to 50C for six hours overnight into Monday, and the retailer had thrown away all the affected food to avoid health risks, the Reuters news agency reported.Some supermarket staff reportedly said they were hit by waves of hot air when they opened freezer units on Monday morning. French broadcaster BFMTV published an image showing a freezer in an ice cream aisle displaying a temperature of 26.5C.Two supermarkets in the Alsace region reported losses of €270,000 (£228,000) between them, the broadcaster added, me...