Major French supermarkets like Carrefour and Monoprix suffered a cyberattack that caused fridges in hundreds of stores to spike in temperature, resulting in millions of euros in food waste. Reporter Jamie Smith-Mayet details how the incident, linked to vulnerabilities in older Danfoss-controlled units, was initially mistaken for a malfunction before being identified as a hack. While the source remains under investigation by French authorities, the event highlights growing concerns over food security and potential hybrid warfare threats from Russia in Europe.