Cyberattack raises refrigerator temperatures at hundreds of French supermarkets

French authorities said a large-scale cyberattack overnight into Monday caused refrigeration systems to overheat above 120°F at hundreds of supermarkets, sparking fires and spoiling food worth millions of euros. The New York Times reported the attack targeted a Danish software system at 380 stores; Reuters reported 80 stores from the Co-Operative U chain were affected. Co-Operative U's CEO confirmed the attack and said an investigation would follow. Attackers have not been identified.