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Cyberattack on French Supermarkets Spoils Millions in Groceries

Cyberattack on French Supermarkets Spoils Millions in Groceries

First seen 14 Oct 2026, 07:06 UTC • •
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ThreatCluster AI
ThreatCluster •October 14, 2026 at 08:29 UTC
  • •Cyberattack compromised refrigeration systems in over 300 French supermarkets.
  • •Estimated losses from spoiled food exceed 10 million euros.
  • •No group has claimed responsibility; motives may involve peer approval among young hackers.

A cyberattack on October 12, 2026, targeted refrigeration systems in hundreds of French supermarkets, including Carrefour, Monoprix, and Intermarché, causing temperatures to spike to 122°F. This incident resulted in significant food spoilage and several fires across multiple locations. The attack affected approximately 300 stores, with estimates of losses exceeding 10 million euros (around $11.2 million). The Paris prosecutor's office described the incident as a 'large-scale' attack, and the vulnerability was linked to software from Danish company Danfoss. Investigations are ongoing, and no group has claimed responsibility yet. Experts suggest the attack may be part of a trend involving young hackers seeking notoriety rather than financial gain.

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Timeline

2026-10-12
Cyberattack on supermarkets
Hackers raised refrigerator temperatures to 122°F, spoiling food and causing fires in multiple stores.
Foxnews
2026-10-14
Incident confirmed by officials
The Paris prosecutor's office confirmed the attack's large-scale impact on major food retailers.
Futurism

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Common questions

Which supermarket chains were affected?
The attack impacted Carrefour, Monoprix, Intermarché, and others, affecting around 300 stores.
What was the cause of the temperature spike?
Hackers exploited vulnerabilities in refrigeration management software provided by Danfoss.
Is there a known motive behind the attack?
No group has claimed responsibility, but experts suggest it may be linked to young hackers seeking peer approval.