Update, Mon 2 Nov, 7 am ET: Reports are now emerging that supermarkets in Ireland, Estonia, and the Netherlands have also been affected by today's cyberattack. The rest of the story remains below as first published.

Just weeks after an 'unprecedented' cyberattack struck supermarket fridges in France, destroying foodstuffs, a similar hack has crippled supermarket chains in Belgium and Sweden, Bloomberg reports. Hackers targeted supermarkets owned by Dutch outfit Ahold Delhaize, as well as ICA and Coop locations in Sweden. As with the previous attack, hackers remotely raised temperatures in these online-controlled freezers to 50 degrees Celsius, rapidly defrosting their contents and likely destroying millions of dollars worth of items.

Belga News Agency reports that a cyberattack targeting refrigeration units at Belgian supermarkets started on Sunday night at around midnight. Sabcobel, a refrigeration fitter in the region, estimates that at least twenty units are affected across Belgium. The report says that affected supermarket chains include Delhaize, Carrefour, and Spar. As mentioned, and reflecting the previous attack, hackers remotely activated the freezer's built-in defrost mode, overriding the temperature and time spent defrosting, the exact same method as the France attack.

CEO Stephan Moelans said that while the company has been working "very hard" to protect its fridges against the vulnerability, physical modifications to its units are required. The company says switching units to a secure internet connection is the simplest solution in the meantime, a measure carried out by most of its customers in the wake of the France attack.

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