A cyberattack on connected refrigeration systems in France forced hundreds of supermarkets to deal with cooling failures, spoiled stock and immediate disruption to normal operations.
The affected equipment was part of the technology used to manage refrigeration and defrost cycles. Once attackers gained access, the consequences moved quickly from the network into the physical environment, where temperature changes could destroy perishable goods.
The incident is a reminder that operational technology is now part of the ordinary cyber attack surface. Supermarkets, hospitals, factories and office buildings increasingly rely on connected controllers and sensors that may stay in service for years.
Those devices often receive less attention than laptops or servers, especially when they are installed by third parties. Unsupported software, weak remote access and forgotten internet exposure can remain hidden until something goes wrong.
Asset inventories therefore need to include the systems that control physical processes, not just conventional IT. Recovery plans also need to explain how those devices can be isolated, restored and safely returned to service if trust in them is lost.