How hackers are turning grocery store freezers into heaters

By hijacking built-in defrost controls, attackers have spoiled millions of euros’ worth of food across Europe. U.S. military bases may have been hit, too

黑客远程劫持欧洲数百家超市冷柜的除霜控制，把冷冻设备加热到50摄氏度，造成数百万欧元食品损失。专家指出这类联网控制器防护薄弱，更新设备、加强防火墙和只保留监测联网可降低风险，但都需要成本。