In France, hackers hacked refrigerators in hundreds of supermarkets. Instead of sub-zero temperatures, they started giving positive ones
In France, hackers hacked control systems for refrigeration equipment in hundreds of supermarkets. On the night of October 12, they switched the units to defrost mode and set the temperature to 50 degrees Celsius. Products that had been heating for several hours spoiled. Fires also broke out in some stores, Reuters reports .
The cyberattack affected the Coopérative U retail chain and about 150 Intermarché stores. Carrefour reported that 80 supermarkets out of approximately six thousand the chain has in France were affected. Refrigeration equipment hacks also affected the Netto and Leclerc chains.
Stores were forced to discard spoiled products. According to estimates by the French TV channel BFMTV, the total losses of the retail chains could amount to millions of euros.
French Prime Minister Sébastien Lecornu instructed the French National Agency for Cyber Security (ANSSI) to investigate the incident. According to a Reuters source, the agency found that hackers exploited a vulnerability in the software of refrigeration units made by the Danish company Danfoss.
Danfoss stated that they are aware of the incidents in France that affected a limited number of refrigeration equipment control systems. The company explained that the hacked devices were running on outdated firmware. According to its representatives, customers had long been advised to update their systems to the latest version or replace the equipment.
The Dutch retailer Ahold Delhaize, which owns the country's largest supermarket chain Albert Heijn, also faced a security issue. The company's mobile application informed customers that product delivery was temporarily impossible due to a cybersecurity incident. However, the chain's regular stores continued to operate. It is not yet known whether Ahold Delhaize's problems are related to the cyberattack on French supermarkets.
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