French supermarkets lose millions in cyber attack

7News Just In · Oct 13, 2026 · 1m

Hundreds of French supermarkets have lost tens of millions of dollars in produce after hackers targeted internet-connected fridge and freezer systems, raising temperatures to as high as 80 degrees Celsius and melting all fresh stock. The cyber attack exploited a known vulnerability in Danfoss refrigeration software that many stores failed to patch despite warnings from cyber security firm Claroty months earlier. The incident raises concerns about the vulnerability of supermarket cold chain systems globally, including in Australia.

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