Industrial control systems used in French supermarkets were compromised by a cyberattack, causing fridges to heat up to 50°C.

Attackers Heat French Supermarket Fridges Up to 50°C by Hijacking Danfoss Controllers https://thehackernews.com/2026/10/attackers-heat-french-supermarket.html

Attackers forced fridge controllers at hundreds of French supermarkets into defrost, up to 50°C. CERT-FR: take Danfoss, Copeland and Dixell controllers off the internet. As of Oct 13, attacker unknown. #OTSecurity #CyberSecurity https://diesec.com/2026/10/french-supermarket-fridge-cyberattack-danfoss-controllers/ https://diesec.com/de/2026/10/cyberangriff-supermarkt-kuehlungen-frankreich-danfoss-deutschland/