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Cyberattack Disrupts Refrigeration Systems in French Supermarkets

Cyberattack Disrupts Refrigeration Systems in French Supermarkets

First seen 14 Oct 2026, 16:33 UTC • •
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ThreatCluster AI
ThreatCluster •October 14, 2026 at 17:35 UTC
  • •Approximately 700 grocery stores in France were impacted by a cyberattack.
  • •Temperatures in refrigerators reached 50 degrees Celsius, leading to significant food spoilage.
  • •French authorities are investigating, and the attack may still be ongoing.

A cyberattack affected approximately 700 grocery stores across France, causing significant food spoilage as hackers remotely manipulated refrigeration systems. The attack, which occurred on October 10, 2026, led to temperatures in refrigerators soaring to 50 degrees Celsius (122 degrees Fahrenheit) for six hours, resulting in losses estimated at tens of millions of euros for some retailers. French authorities, including the national cybersecurity agency ANSSI, are investigating the incident, which has not yet been attributed to any specific group or individual. The attack exploited vulnerabilities in refrigeration controllers from companies like Danfoss and Copeland, which reportedly had outdated software. Authorities have warned that the attack may still be ongoing and advised stores to secure their systems with VPNs and firmware updates. No ransom demands have been made, indicating the hackers' motives may be to cause disruption rather than financial gain.

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Timeline

2026-10-10
Cyberattack on French supermarkets
Hackers remotely manipulated refrigeration systems, causing temperatures to rise and spoilage of goods.
CNN
2026-10-11
Investigation initiated
French authorities, including ANSSI, began investigating the large-scale cyberattack affecting food retailers.
Independent
2026-10-13
Warnings issued about ongoing threats
France's cybersecurity authority warned that the cyberattack may still be ongoing and advised retailers on security measures.
Independent

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Common questions

What systems were affected?
The attack targeted refrigeration controllers from companies like Danfoss and Copeland, which had outdated software.
Is the attack still ongoing?
Yes, French cybersecurity authorities have warned that the cyberattack may still be underway.
What should retailers do to protect themselves?
Retailers are advised to secure their refrigeration systems with VPNs, install firmware updates, and change passwords.