Cyberattack Disrupts Refrigeration Systems at French Supermarkets, Spoiling Food Stocks
Summary
A cyberattack disrupted refrigeration controls at nearly 150 Intermarché stores and affected other French supermarket chains, spoiling fresh and frozen food. Initial findings point to Danfoss equipment; repairs and security work are underway.
Key points
- The disruption began during the night of October 11–12, 2026, affecting refrigeration controls at nearly 150 Intermarché stores and other supermarket locations.
- The article says initial findings point to an intrusion involving Danfoss, which supplies refrigeration control systems; the attack reportedly targeted those systems rather than retailers’ central servers.
- Refrigerator and freezer temperatures rose abnormally, making fresh and frozen products unsafe to sell and prompting stores to destroy stock.
- The article reports similar disruption and stock losses at some Leclerc, Carrefour Market, Super U, and Monoprix stores.
- Danfoss technicians, cybersecurity experts, and local refrigeration specialists are working to restore systems and secure network access.
- Coopérative U’s chief executive publicly confirmed the attack and condemned the targeting of equipment essential to food preservation.
Article Details
- Victim Organization
- Danfoss; affected retailers include Intermarché, Super U, Leclerc, Carrefour Market, and Monoprix
- Incident Type
- Cyberattack targeting Danfoss equipment and remote-control systems for refrigeration regulation
- Incident Date
- 2026-10-11
- Operational Impact
- Refrigeration controls at nearly 150 Intermarché stores were disrupted, with similar disruptions reported at stores operated by other French retailers. The cold chain was interrupted, making fresh and frozen products unfit for consumption; tonnes of food were removed for destruction. Emergency replenishment and technical restoration were underway.
- Claim Status
- confirmed