Major French supermarket groups suffered a coordinated cyberattack that remotely forced defrosting of refrigeration systems in hundreds of stores, causing fresh and frozen stocks to spoil, sparking fires in some locations and forcing large-scale disposal of food. At least 300 Intermarche/Netto outlets, more than 100 Cooperative U shops and several E. Leclerc stores reported disrupted cooling after temperatures were altered, and prosecutors opened a probe into the large-scale incident and related losses. Retailers warned of significant waste and financial damage as teams worked to restore systems, while the EU food and agriculture commissioner and company executives condemned the targeting of equipment essential to food preservation.
Investigations point to vulnerabilities in refrigeration-control equipment from Danish manufacturer Danfoss, notably legacy AK-SM800 and AK-SC355 regulator systems running outdated firmware that no longer receive security updates. France’s cybersecurity agency identified a software vulnerability linked to a Danish supplier and is coordinating with European counterparts to warn other firms and curb spread. Cybersecurity experts said the simultaneous manipulation of hundreds of industrial units demonstrated technical sophistication and highlighted mounting risks from connecting long-isolated industrial gear to networks, prompting renewed calls for better patching, vendor support and protection of critical food-supply infrastructure.
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