Explainer · AI & technology
Fridges and a blood bank hit by cyber attacks: what happened, and what it costs
In early November 2026, hackers reportedly tried to set French blood-plasma freezers to 110°C: a setting, not a measured temperature. Weeks earlier, France's finance minister said about 700 supermarkets had their fridges and freezers hit. How does a fridge get hacked, and what does it cost?
Key points
- France's blood service says monitoring caught the rising temperatures overnight and staff acted in time, and that no blood products were lost.
- France's finance minister said about 700 of the country's 10,000 supermarkets were affected in mid-October. Intermarché, Carrefour, Super U and Monoprix were among the chains hit.
- France's cyber security agency reported numerous compromises of Danfoss and Copeland control modules. Danfoss said most affected systems were older products; Copeland said they were discontinued controllers. Flaws that researchers flagged in August have since been fixed.
- Ahold Delhaize estimates its own October cyber incident could cut fourth-quarter sales by €200–250 million, for the whole incident, not just fridges.
- No claim of responsibility, and no link between the attacks, had been reported as of 5 Nov 2026.
Sources
Educational · Not financial advice Made with AI tools (AI voices and visuals), checked by a person
