Meat suppliers in the UK have been hit by cyber-attacks after hackers raised the temperatures of supermarket freezers across Europe. The UK’s National Cyber Security Centre (NCSC) said it was working with the affected companies but that the national impact was minimal. Speaking at the launch of the NCSC annual review on Tuesday, the centre’s director of operations, Paul Chichester, said: “We’re aware of those incidents in the UK, and obviously we’re working with the affected organisations.
We’ll keep monitoring that. Cybersecurity experts meanwhile reported that attacks on “dummy” fridge controls – deliberately placed online to lure would-be hackers – displayed characteristics similar to previous malicious operations linked to Russia. Retailers in Belgium, Estonia, Ireland, Finland, Luxembourg, the Netherlands and Sweden reported problems with their refrigeration systems on Monday – with some rising to as high as 50C (122F) – and several companies confirmed they had been hacked.
It follows similar incidents in France last month. It has emerged that the cyber-attack on French supermarket fridges involved legacy technology connected to internet with default passwords. No UK grocery chain has been directly affected so far.
Chichester said the NCSC, part of the GCHQ spy agency, was working with organisations to identify similar loopholes in their technology and close them before hackers exploit them. He said the NCSC was not able to comment on who might have carried out the attacks, but that they were not AI-enabled and had used vulnerabilities that had been “out there for a long period of time”. The NCSC’s chief executive, Richard Horne, said the fridge attacks represented the “foothills” of an enlarged cyberthreat that companies and the public face as AI systems highlight flaws in IT networks that owners were not aware of or neglected to patch.
The agency’s chief technology officer, Ollie Whitehouse, said everyday domestic devices connected to the internet would be susceptible to hackers in certain situations. He said manufacturers needed to be encouraged to make their technology safer, and consumers needed to accept paying more for safer equipment. The British Association of Independent Meat Suppliers (Aims) told the BBC some of its more than 300 members had been affected, with one company’s cold units heating to up to 100C and another two reporting their units had started to defrost.
Aims said the affected units were empty at the time and no produce was lost. Cybersecurity researchers said attacks on dummy Danfoss fridge controls – which were targeted by the hackers in mainland Europe – were similar to recent operations linked to Russia. Xavier Bellekens, the chief executive of the cyberdefence firm Lupovis, said it had recorded 256 attempted attacks from 91 different sources between 20 October and 30 October after setting up online “honeypot” traps that are indistinguishable to attackers from real Danfoss fridge controllers.
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