French Supermarkets’ Fridges Heated by Cyber Attack, Spoiling Millions of Euros of Food
Hackers commandeered refrigeration software, forcing fridges and freezers to heat up to 50 °C overnight
In Brief
- •Hackers commandeered refrigeration software, forcing fridges and freezers to heat up to 50 °C overnight
- •Around 500 stores across France were affected, including Coopérative U, Intermarché, Netto, Carrefour, Monoprix and E.Leclerc
- •Two Alsace stores reported €270,000 in food loss, with nationwide losses potentially reaching millions
- •The attack targeted software from Danish firm Danfoss, whose older models lacked updateable security
- •French prosecutors opened a cyber‑crime investigation and the European Food Commissioner condemned the hack
Why It Matters
The incident exposed a critical vulnerability in the food supply chain, risking public health and causing significant economic losses for retailers. It also highlighted the growing threat of cyber‑weaponisation of essential infrastructure, prompting calls for stricter security standards and regulatory oversight.
Key Details
- Affected stores
- ≈500
- Major chains hit
- Coopérative U, Intermarché, Netto, Carrefour, Monoprix, E.Leclerc
- Reported food loss (two stores)
- €270,000
- Forced temperature
- 50 °C (120 °F)
- Software provider
- Danfoss
- Investigation
- French prosecutors opened cyber‑crime investigation
Context & Background
Refrigeration units are essential for maintaining the safety and shelf‑life of perishable goods; a cyber attack that disrupts their temperature control can lead to widespread spoilage and public health risks.
Original Reporting & Sources
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