Cyberattacks on Refrigeration Systems: Advice for Scottish Convenience Retailers

SGF is encouraging convenience retailers to review the security of their refrigeration equipment following reports of cyberattacks targeting supermarket fridges and freezers across Europe and the UK.

Recent incidents have seen hackers gain remote access to refrigeration control systems, manipulating temperatures and defrost settings, resulting in significant food losses and disruption to businesses.

While there have been no confirmed reports of Scottish convenience stores being directly affected, retailers using internet-connected refrigeration systems are encouraged to take precautionary measures.

SGF recommends that retailers:

  • Contact their refrigeration supplier or maintenance contractor to establish whether their equipment can be accessed remotely and whether appropriate security measures are in place.

  • Ensure software is up to date, including any security updates recommended by manufacturers.

  • Check remote access security, ensuring refrigeration controls are not openly accessible over the internet.

  • Regularly monitor fridge and freezer temperatures, including through manual checks, and immediately report unusual changes or equipment behaviour.

  • Seek professional assistance if a cyberattack is suspected and follow appropriate food safety procedures where temperature control has been compromised.

Retailers should not attempt to alter or disconnect refrigeration control systems without professional advice, as this could affect equipment operation and food safety.

SGF encourages members to remain vigilant and contact their equipment providers to ensure appropriate safeguards are in place.

Further information and cybersecurity guidance is available from the National Cyber Security Centre and the IoT Security Foundation.

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