3 trends tracked about this subject — the full history, oldest to newest below.
An FBI warning that cyberattackers could target U.S. supermarket freezers follows refrigerator hacks in France, where authorities suspect Iran.
France has accused Iran and an Islamic Revolutionary Guard Corps cyber unit of hacking supermarket refrigeration systems, spoiling food and causing fires.
French officials and the FBI warn that cyberattacks on supermarket refrigeration controllers could spark fires and wipe out inventory, with Iran suspected in the French incidents.