By Ward Clark At what point will people start wondering why every appliance needs to be connected to the internet, thus offering an open door to hackers? The freezer cyberattacks we saw last month how freezers in France, as well as in some U.S. military base dining facilities were hacked, resulting in food spoilage. Now, the same thing has happened in Europe, in Sweden, Belgium, Luxembourg and Estonia. The hackers didn't just turn the freezers off; they turned them up, making the freezers into ovens, with the result being a great deal of food spoiled . Supermarkets in Sweden, Belgium, Luxembourg and Estonia were hit Monday by problems with freezers and fridges that apparently were caused by cyberattacks, forcing some to dispose of ruined food. The problems follow a case last month in which attackers remotely took control of refrigeration systems in hundreds of supermarkets and independent stores across France, sending temperatures soaring. In Sweden, ICA Group supermarket cha...