A coordinated cyberattack hit refrigeration systems at French grocery chains E. Leclerc, Intermarché and Coopérative U early Monday, forcing connected fridges and freezers into defrost mode for hours and raising temperatures to around 50°C. The intrusion spoiled food and triggered fires in some stores, and authorities say other chains were also affected. Danfoss, maker of the targeted AK-SM800 and AK-SC355 system controllers, said the hit units were running outdated firmware and that it is working with customers on mitigation.
cnet.com
· 2026-10-12
E. Leclerc, Intermarche and Cooperative U confirmed a cyberattack caused refrigerators to overheat across hundreds of stores, forcing them to discard spoiled fresh and frozen food. Paris prosecutors confirmed the attack, which also reportedly sparked fires, and a source said Danfoss refrigeration control systems were targeted, with Danfoss noting most affected equipment was outdated and no longer receiving security updates.
rnz.co.nz
· 2026-10-12
French supermarket chains E. Leclerc, Intermarché and Coopérative U confirmed a cyberattack caused refrigeration systems to malfunction, spiking temperatures and forcing stores to discard spoiled fresh and frozen food. Paris prosecutors confirmed the attack, which also reportedly sparked fires, and a source said Danish manufacturer Danfoss's fridge control systems were targeted, with the company noting many affected units were outdated and no longer receiving security updates.
uk.finance.yahoo.com
· 2026-10-12
A cyberattack has reportedly hit Danfoss-made refrigeration controls used by Intermarché, Leclerc and Coopérative U stores in France, forcing fridges and freezers into continuous defrost cycles at around 50°C instead of their normal two-hour daily cycle. Coopérative U president Dominique Schelcher confirmed the attack began overnight Monday, called it 'extremely serious,' and said teams were working to restore systems while an investigation is launched. Electronic shelf pricing and deliveries have also reportedly been disrupted.
tomshardware.com
· 2026-10-12
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