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Cyberattack on French Supermarkets' Refrigeration Systems Causes Major Food Loss

Cyberattack on French Supermarkets' Refrigeration Systems Causes Major Food Loss

First seen 13 Oct 2026, 11:30 UTC • •
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ThreatCluster AI
ThreatCluster •October 13, 2026 at 16:35 UTC
  • •Hackers raised supermarket refrigeration temperatures, causing food spoilage and fires.
  • •The attack targeted systems from Danfoss, exploiting outdated firmware vulnerabilities.
  • •French authorities have launched an investigation into the incident, with significant financial implications.

On October 11-12, 2026, hackers targeted refrigeration systems at hundreds of French supermarkets, raising temperatures to 50°C (122°F) and causing food spoilage and fires. The Paris prosecutor's office has opened an investigation into the incident, which affected around 180 to 300 stores, with estimated damages in the millions of euros. The attack exploited vulnerabilities in Danfoss refrigeration management systems, particularly outdated firmware. France's National Cybersecurity Agency (ANSSI) is coordinating investigations at both national and European levels. The attack has raised alarms about the vulnerability of food supply chains that rely on connected systems. Investigators are still determining how the attackers gained access to the systems, which had known vulnerabilities, including an authentication bypass flaw (CVE-2025-41450).

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Timeline

2026-10-11
Cyberattack on refrigeration systems
Hackers raised temperatures in refrigeration units at hundreds of French supermarkets, leading to food spoilage and fires.
Time
2026-10-12
Investigation opened by Paris prosecutor's office
The Paris prosecutor's office began investigating the cyberattack that affected up to 300 stores.
X
2026-10-13
ANSSI confirms investigation
France's National Cybersecurity Agency announced it is investigating the attack at national and European levels.
Time

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Extracted Entities (22)

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Common questions

What systems were affected?
The attack primarily targeted Danfoss refrigeration management systems, particularly the AK-SM and AK-SC series.
How did the attackers gain access?
Investigators have not yet confirmed the method of access, but vulnerabilities in outdated firmware are suspected.
What should supermarkets do now?
Supermarkets should review their refrigeration systems for vulnerabilities, ensure firmware is updated, and enhance security measures.