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A cyberattack on supermarket refrigeration systems spread across Europe on Monday, hitting fridges and freezers from Sweden to Belgium and forcing stores to discard food, the Korea Times reports. The incident follows a similar attack on French supermarkets last month, and at least nine governments have been put on alert, according to Chosun Ilbo. Yonhap reports the attack has recurred in Belgium, Luxembourg, and Sweden, with Sweden's ICA and Coop chains seeing temperatures in fridges and freezers rise sharply. The Korea Times notes the attack highlights risks of connecting industrial equipment to the internet.