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Hackers heat French supermarket fridges, sparking fires and food losses

  • A major coordinated cyberattack targeted commercial refrigeration systems across hundreds of French supermarkets overnight, remotely manipulating industrial cooling controls to trigger continuous forced defrost cycles and spike internal temperatures up to 50°C .
  • The attack primarily impacted systems manufactured by Danish climate solutions company Danfoss, exploiting software vulnerabilities—previously flagged by security researchers in August—to override safety limits and run defrost heaters indefinitely.
  • More than 300 Intermarché and Netto locations, nearly 100 Coopérative U stores, and several E.Leclerc outlets were hit, resulting in massive food spoilage, millions of euros in lost inventory, and localized electrical fire outbreaks triggered by overheating defrost elements.
  • The Paris Prosecutor's Office opened a formal nationwide criminal investigation into the attack, while supermarket groups voiced concerns that standard commercial insurance policies may fail to cover damages caused by remote cyber sabotage.
  • The breach occurred alongside a separate European retail cyber incident that disrupted website orders, delivery systems, and electronic shelf labels across Dutch and Belgian chains, including Albert Heijn and Delhaize.
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Lean Right

Belgium and the Bjo countries also suffered "the security incident" and were forced to "disconnect some systems"

·Madrid, Spain
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Center

Veliki kibernetički attack poremetio je rad rashladnih sustava u stotinama trgovina nekoliko velikih french maloprodajnih lanaca prehrambenih proizvoda, izjavio je u ponedjeljak glasnogovornik maloprodajne grupcije Les Mousquetaires. Hakeri su tijekom noći uspjeli prebaciti hladnjake i zamrzivače na način […] Objava Neviđeni attack on a French supermarket. Hackers preko noći odmrznuli tone hrane iz zamrzivača pojavila se prvi puta on Novi list.

Lean Right

A cyberattack disrupted a French supermarket's cooling system, causing food to spoil. Two stores lost Rp 5.5 billion.

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Reuters broke the news in London, United Kingdom on Monday, October 12, 2026.
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