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Massive Cyberattack Disables Refrigeration Systems in French Supermarkets

Massive Cyberattack Disables Refrigeration Systems in French Supermarkets

First seen 13 Oct 2026, 22:05 UTC • •
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ThreatCluster AI
ThreatCluster •October 14, 2026 at 00:08 UTC
  • •Cyberattack on French supermarkets caused millions in losses due to food spoilage.
  • •Hackers exploited vulnerabilities in outdated refrigeration firmware from Danfoss and Dixell.
  • •Authorities are investigating the attacks, which appear to be automated.

On October 13, 2026, a cyberattack targeted refrigeration systems in French supermarkets, causing significant financial losses. Initially, systems using Danfoss technology were compromised, leading to food spoilage worth tens of millions of euros. Hackers exploited vulnerabilities in outdated firmware, forcing refrigerators into a defrost loop, raising temperatures to 50 degrees Celsius. Following this, another attack targeted Dixell-equipped stores, but the damage was mitigated by quick action from store teams. The attacks appear automated, with rapid changes to temperature settings. French authorities are investigating, but no group has claimed responsibility yet.

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Timeline

2026-10-12
Initial cyberattack on Danfoss systems
Hackers disabled refrigeration systems in several hundred stores, causing significant food spoilage.
Lemonde.Fr
2026-10-13
Second attack on Dixell systems
A supermarket in Bordeaux was attacked, but store teams managed to prevent food spoilage.
Lemonde.Fr

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Common questions

Which refrigeration systems are affected?
The attacks targeted systems using Danfoss and Dixell technologies.
What should stores do to protect against this attack?
Stores should update their refrigeration systems' firmware and monitor for unusual temperature changes.
Is there a known group behind these attacks?
No group has claimed responsibility for the attacks as of now.