Cyberattack Defrosts Fridges at Hundreds of French Supermarkets
Hackers targeted Danfoss controllers at E. Leclerc, Intermarche and Cooperative U stores, raising temperatures to 50 degrees Celsius.
Hackers forced connected fridges and freezers at hundreds of French supermarkets into defrost mode for several hours, raising temperatures to 50 degrees Celsius, according to CNET. The attack spoiled food and in some cases caused fires.
E. Leclerc, Intermarche and Cooperative U reported the incident. Paris authorities said other grocery chains were also affected.
The hackers targeted software on two Danfoss system controllers, the AK-SM800 and AK-SC355. Danfoss said the affected systems were running outdated firmware and that it is working with customers on mitigation measures including firmware updates and stronger network protections.
Cooperative U CEO Dominique Schelcher said an investigation is underway.
Earlier Incidents
In earlier reporting, Danfoss told the industry publication Cooling Post that the affected systems, AK-SM800 and AK-SC355, were running outdated firmware. A recent incident in Korea bricked some smart fridges, according to the article.
Quick answers
Which French supermarkets were affected by the cyberattack?
E. Leclerc, Intermarche and Cooperative U reported the incident, and Paris authorities said other grocery chains were also affected.
What Danfoss controllers were targeted?
The hackers targeted software on the AK-SM800 and AK-SC355 controllers.
What did Danfoss say about the attack?
Danfoss said the affected systems were running outdated firmware and that it is working with customers on mitigation measures including firmware updates and stronger network protections.