An ongoing cyberattack has reportedly struck major supermarket chains across Europe, disrupting refrigeration control systems. The attack — which has reportedly seen units set to continuously defrost at 50 degrees Celsius — is also apparently 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 superma...