A new technological threat has raised concerns over food safety, commercial refrigeration and cold storage after a large-scale cyberattack targeted supermarket refrigeration systems across France. The incident reportedly affected hundreds of supermarket outlets, with hackers manipulating connected refrigerators and freezers, causing temperatures to rise, food to spoil and fires to break out at several stores.

According to reports published this week, major French retailers, including Intermarché, Coopérative U, E.Leclerc, Carrefour and Monoprix, confirmed that their stores had been affected by the unprecedented attack.

At least 300 Intermarché and Netto outlets were reportedly targeted, along with more than 100 Coopérative U stores. Carrefour reported that 80 supermarkets were affected, while Monoprix said around five per cent of its approximately 490 stores had been hit. E.Leclerc also confirmed that several of its stores were targeted.

The Paris prosecutor's office described the incident as a large-scale attack affecting connected refrigerators at several major food retailers across France. The incident reportedly resulted in food losses and fires, prompting French authorities to investigate the attack.

France's Prime Minister, Sébastien Lecornu, also ordered the country's National Cybersecurity Agency (ANSSI) to investigate, according to reports. French authorities were coordinating with European counterparts to assess whether other countries could be affected and whether additional French businesses faced similar risks.

How Connected Refrigeration Systems Became a Target

Modern supermarkets depend on commercial refrigeration systems to maintain the temperatures required for storing perishable products, including dairy, meat, seafood and other temperature-sensitive foods. These systems often operate through centralised control panels that manage refrigerators and freezers across an entire store. Internet connectivity allows maintenance teams to monitor equipment and adjust settings remotely, improving operational convenience and efficiency.

However, internet-connected equipment can also create cybersecurity risks when access controls and network security are inadequate. If attackers gain unauthorised access to refrigeration controls, they may be able to disrupt temperature settings and compromise the conditions required to preserve food safely.

The incident in France highlights how technology designed to improve operational efficiency can become a potential vulnerability when cybersecurity is overlooked.

Food Safety and Cold Storage Under the Spotlight

The attack raises important questions for the food and beverage industry, where maintaining the correct storage temperature is essential for protecting product quality and food safety.

A refrigeration failure can lead to significant food losses and may allow harmful microorganisms to grow in perishable products. Depending on the food, the duration of temperature exposure and the conditions involved, affected products may no longer be safe for consumption. Beyond supermarkets, the incident highlights the importance of protecting refrigeration infrastructure across commercial kitchens, hotels, restaurants, food processing facilities, warehouses and distribution centres.

Cold storage is a critical part of the wider food supply chain. A disruption at any stage can affect inventory, increase operational costs and create food safety concerns. Businesses therefore need to consider both equipment reliability and cybersecurity when managing temperature-sensitive products.

A Wake-Up Call for the Food and Hospitality Industry

As food businesses increasingly adopt connected equipment and digital monitoring systems, cybersecurity is becoming an important part of operational risk management. Measures such as restricting remote access, using strong authentication, separating refrigeration systems from general business networks, monitoring unusual activity and maintaining manual temperature checks can help businesses reduce risks.

Independent temperature alarms and emergency response procedures are also important, as they can alert staff when refrigeration conditions move outside acceptable limits. For hotels, restaurants, supermarkets and food distributors, the incident serves as a reminder that food safety depends not only on hygiene practices and reliable equipment but also on protecting the technology that supports storage and distribution.

The cyberattack in France demonstrates how a digital security incident can extend beyond computer systems and affect physical operations, food inventory and public safety. As the food and beverage industry continues to embrace connected technology, securing commercial refrigeration and cold storage infrastructure will remain an important part of building a safer and more resilient food supply chain.