Danfoss Supermarket Fridges Hacked

Tue, 13 Oct 2026 13:03:38 +0200

Fridges in hundreds of French supermarkets heated up to 50°C in one night. The food went in the bin. The attackers never set foot inside. The cooling controls were online, with holes public since 2023.

The heating started on Sunday night, October 11. In some stores it began before midnight. Across France, the systems that keep supermarket fridges cold switched on their defrost function and left it running.

Defrosting is a normal part of how a commercial fridge works. Ice builds up inside, so from time to time the unit warms up to melt it and then goes back to cooling. In these stores that normally adds up to about two hours a day. That night it did not stop. The defrost kept running, and the temperature in display cases and cold rooms kept climbing. One of the chains says the attackers pushed the temperature controls to 50°C, which is 122°F.

Cyberattack on HackingPassion.com : root@HackingPassion.com-[~]

Danfoss Supermarket Fridges Hacked