Hackers have hit grocery chains in six more European countries, and in these attacks freezers were switched to defrost.
The affected countries are Belgium, Estonia, Ireland, Luxembourg, the Netherlands, and Sweden. Various chains were hit in each. The attacks follow a similar one in France, which makes France the first of seven countries now tied to this kind of incident.
The freezer detail is the part worth dwelling on. Attacks on retailers usually make the news for what they do to the digital side of the business, such as payments and ordering. Changing a freezer's setting is different because the damage is physical. Frozen stock that thaws is, in practice, stock a store may have to throw away. That turns a cyber incident into a spoilage problem measured in food and money.
The spread across seven countries, with the same kind of target, points to a pattern rather than a one-off. That is a reading of the geography, not a finding about who is behind it or how they got in.
For grocers, the practical question is how closely the systems that run refrigeration are tied to the rest of the company's network. The more connected they are, the more a single intrusion can reach the freezer aisle.