If hackers can take control of a supermarket freezer, how vulnerable is other tech?
Summary
A suspected cyberattack on supermarket refrigeration systems in Europe has raised concerns about internet-connected equipment. Experts say exposed devices may be vulnerable, though researchers have found no evidence that household appliances were targeted, and the UK’s National Cyber Security Centre reports no impact on the UK.Key Facts
- Researchers identified more than 800 refrigeration and building-control interfaces linked to British retailers that are accessible over the public internet.
- Public internet access does not prove that a device can be hacked, but weak passwords or software flaws could expose it to attack.
- UK law has required manufacturers of certain consumer smart devices to meet minimum cybersecurity standards since April 2024.
- The UK’s National Cyber Security Centre is working with international partners and industry to investigate the supermarket incidents.
- A 2015 study demonstrated a flaw in a Samsung smart fridge that could let researchers intercept internet traffic.
- Ransomware attacks on UK retailers M&S and the Co-op in May 2025 disrupted fresh deliveries and left some shelves empty.
- Connected systems also help manage vehicles, power plants and water networks remotely, creating potential risks if attackers gain control.
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