If hackers can take over a supermarket fridge, what else is at risk?

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Hackers have twice taken control of supermarket fridges across Europe in less than a month, sparking fires and spoiling millions of euros’ worth of food. On October 11 and 12, attackers heated units at about 700 French stores to as high as 50C (122F). On November 2, a second wave of suspected cyberattacks affected supermarkets and food businesses in at least nine European countries, including Belgium, Estonia, Finland, Ireland, Italy, Luxembourg, the Netherlands, Portugal and Sweden. France has since blamed the first attack on Shahid Kaveh , a cyberunit affiliated with Iran’s Islamic Revolutionary Guard Corps (IRGC), calling it the first large-scale sabotage cyberattack on French soil. It is not yet clear who was behind the second wave.