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Danfoss Hack Hits 700 French Supermarkets, ANSSI Investigates

By Drooid · Oct 14, 2026, 2:48 AM UTC · How we work

Summary

Story summary

Hackers hijacked Danfoss refrigeration-management software, raising supermarket temperatures to 122 °F.
The attack hit about 700 of France’s 10,000 supermarkets, including Intermarché, Carrefour, Monoprix and Cooperative U.
Temperatures stayed at 50 °C for six hours, sparking fires and spoiling food.
ANSSI and the Paris prosecutor’s office opened a large-scale investigation into the cybercrime.
Les Mousquetaires CEO Thierry Cotillard estimated nationwide losses of tens of millions of euros.

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Story summary

Hackers hijacked Danfoss refrigeration-management software, raising supermarket temperatures to 122 °F.
The attack hit about 700 of France’s 10,000 supermarkets, including Intermarché, Carrefour, Monoprix and Cooperative U.
Temperatures stayed at 50 °C for six hours, sparking fires and spoiling food.
ANSSI and the Paris prosecutor’s office opened a large-scale investigation into the cybercrime.
Les Mousquetaires CEO Thierry Cotillard estimated nationwide losses of tens of millions of euros.