Cyberattack hits European supermarket freezers
The gist
Hackers pushed refrigeration units at supermarkets in at least seven European countries to 50C (122F), spoiling food.
The November wave follows an October attack on up to 700 French stores, exposing remote-controlled cooling systems.
How it unfolded
- Oct 12, 2026A cyberattack hit Danfoss-made refrigeration controls at French chains Intermarché, Leclerc and Coopérative U, forcing units into continuous defrost at 50 degrees Celsius; hundreds of stores were affected.
- Oct 13, 2026Groupement Mousquetaires said 300 of its Intermarché and Netto stores were impacted, and Coopérative U CEO Dominique Schelcher said 80 of its 2,000 stores were affected; the attack was reported in several European countries.
- Nov 1, 2026 -2, 2026During the night, refrigeration units in multiple stores began operating at abnormally high temperatures.