# UK Food Suppliers Targeted in European Refrigeration Cyber-Attack Wave Hackers exploit legacy internet-connected cooling systems, raising temperatures across multiple European supply chains. - **Source:** [Technology | The Guardian](https://www.theguardian.com/uk/technology) - **Published:** 2026-11-03 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/ccf633d4-40df-4013-ade7-dac1a5ae68a1 ## European Refrigeration Systems Compromised Hackers recently targeted internet-connected refrigeration units across seven European countries, including Belgium, Estonia, and Ireland. These malicious actors successfully manipulated temperature controls, causing some freezer units to reach extreme levels like 50C. This coordinated disruption highlights significant vulnerabilities within the supply chain infrastructure that relies on legacy technology connected to the internet. ## UK Supply Chain Impacts While the National Cyber Security Centre reports minimal national impact, several UK food suppliers were affected as collateral damage. The British Association of Independent Meat Suppliers confirmed that some of its 300 members experienced unauthorized temperature changes. Fortunately, no meat stock was lost, though some units reached temperatures as high as 100C. ## Exploiting Legacy System Vulnerabilities The attacks primarily leveraged legacy technology that utilized default factory passwords, making unauthorized access straightforward for attackers. Companies like Langridge Organic managed to prevent stock damage by manually disconnecting their systems from the internet. The software involved, developed by US-based Copeland, is currently under review with recommended patches being issued to customers. ## Honeypot Data Reveals Tactics Cyberdefence firm Lupovis deployed dummy Danfoss fridge controllers to monitor attacker behavior. Between October 20 and October 30, they recorded 256 attempted attacks from 91 distinct sources. These probes frequently utilized publicly documented factory-default credentials, confirming that attackers are actively scanning for poorly secured industrial equipment that remains exposed to the public internet. ## Potential Russian-Linked Infrastructure Researchers identified that the infrastructure used in these attacks overlaps with malicious operations previously associated with Russian-linked groups. The attackers utilized bulletproof hosting services, which are known for ignoring abuse complaints and resisting disruption efforts. While specific attribution remains unconfirmed, the technical profile and infrastructure usage align with known patterns of state-aligned cyber actors. ## NCSC Operational Response The National Cyber Security Centre is actively working with affected organizations to identify and close security loopholes. Director of operations Paul Chichester emphasized that these attacks were not AI-enabled, but rather exploited long-standing vulnerabilities. The agency continues to monitor the situation closely while assisting firms in hardening their network defenses against further intrusions. ## Broader Cybersecurity Industry Warnings Chief executive Richard Horne described these incidents as the foothills of an enlarged cyberthreat landscape. As AI systems become more proficient at identifying flaws in IT networks, companies face increased risks from neglected patches. Experts argue that manufacturers must prioritize security by design, even if it necessitates higher equipment costs for end-users. ## Strategic Implications for Retail These attacks serve as a critical reminder that every internet-connected device in the food supply chain is a potential target. Businesses must transition away from legacy systems that rely on default credentials. Moving forward, the industry must prioritize robust network segmentation and proactive patching to mitigate the risk of future large-scale operational disruptions. ## Sources covering this story - https://www.theguardian.com/technology/2026/nov/03/uk-meat-processing-firms-fridges-heat-up-cyber-attacks — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._