Wire · technology
Attackers Heat French Supermarket Fridges Up to 50°C by Hijacking Danfoss Controllers
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Fusion42 · 13 October 2026 · Fusion42 review
Attackers remotely hijacked Danfoss refrigeration controllers across hundreds of French supermarkets, heating fridges to 50°C and causing significant food spoilage and financial losses. The affected controllers were mostly older Danfoss models no longer receiving security updates, leading French cybersecurity authorities to advise disconnecting or tightly filtering access to these devices.
This Wire brief sits within Fusion42's coverage of Retail Tech.
◆ ◆ The Wire takeaway
You must urgently audit and isolate IoT refrigeration controls to prevent hostile takeover. The attack shows older devices without security updates are now a costly liability for food retailers and providers.
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1 source · 13 Oct 2026
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