The pattern of interference appears to exploit external connectivity. ICA Gruppen confirmed that a small group of its stores, which utilize independent suppliers outside the company's central network, faced similar technical breaches. In Belgium, Colruyt reported that five Spar locations—run by independent franchisees—experienced significant temperature spikes, resulting in unavoidable food spoilage. Dutch retailer Ahold Delhaize is currently auditing its Delhaize shops after encountering analogous malfunctions.

While retailers scramble to secure their perimeters, the incidents mirror a sophisticated campaign identified in France just weeks ago. The Paris prosecutor’s cybercrime division continues to investigate the initial wave of attacks, which deliberately disabled freezer controls to force rapid warming. As grocery chains assess the scope of the damage, the vulnerability of decentralized, internet-connected refrigeration hardware remains a primary security concern for the continent's food supply network.