GoKawiilCyberattack hits refrigeration systems at French supermarket chains including Carrefour, Leclerc
Attackers remotely triggered automatic defrosting functions in Danfoss refrigeration controllers overnight, raising fridge temperatures at an estimated 250 to 350 stores across chains including Intermarché, Coopérative U, Carrefour Market, Monoprix, Leclerc and Super U. Coopérative U president Dominique Schelcher confirmed the incident, saying teams were working with refrigeration specialists to resolve it, while the Paris prosecutor's office opened an investigation into food losses and reported fires linked to the attack.
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The incident highlights how industrial control equipment running outdated software can become a route into critical supply infrastructure, even when the target isn't a retailer's core IT network. EU agriculture commissioner Christophe Hansen's public condemnation suggests officials view this as a food-security concern rather than an isolated IT glitch, which could prompt tighter scrutiny of connected refrigeration and cold-chain equipment across the retail sector.
- Attackers exploited older Danfoss refrigeration controller software to trigger defrost cycles remotely
- Between 250 and 350 stores across major French chains were affected, causing food waste and fires
- French prosecutors have opened a formal investigation into the attack's scope and damages
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Published there as: “Cyberattack shuts down refrigerators at French supermarkets”
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