The cyberattack caused supermarket refrigeration systems to heat to 50°C for several hours.

Cyberattacks on Sunday night targeted Danfoss-managed refrigeration systems across hundreds of French supermarkets, heating them to 50°C for roughly six hours (Jenny Che/Bloomberg) https://www.bloomberg.com/news/articles/2026-10-12/french-supermarket-refrigeration-sites-hit-by-cyberattacks http://www.techmeme.com/261012/p27#a261012p27

An ongoing cyberattack has reportedly struck major supermarket chains across Europe, disrupting refrigeration control systems. The attack — which has seen units set to continuously defrost at 50 degrees Celsius — is also affecting deliveries and in-store pricing powered by electronic shelf labels, La Dépêche reports. According to the report, "several" major retailers have been targeted by a cyberattack, which has hit Danfoss-made refrigeration controls used by French supermarkets Intermarché, Leclerc, and Coopérative U. https://www.tomshardware.com/tech-industry/cyber-security/unprecedented-cyberattack-cripples-supermarket-fridges-across-europe-as-hackers-activate-automatic-defrosting-delivery-and-store-prices-also-impacted-by-incident