European supermarkets hit by new fridge cyberattack
Several chains said hackers raised refrigeration temperatures and forced food removals, with Sweden’s national cyber-security centre investigating incidents at grocery stores.
- On Monday, November 2, 2026, supermarkets across Sweden, Belgium, Ireland, and Estonia reported overnight cyberattacks that disabled refrigeration systems, forcing retailers to discard spoiled chilled and frozen products.
- Hackers exploited vulnerabilities in exposed operational technology, specifically targeting refrigeration controllers from Danish manufacturer Danfoss, mirroring an October 2026 incident that impacted hundreds of French supermarkets.
- Temperatures in refrigeration units soared to 50°C, prompting massive food disposal across chains including Swedish grocery chains ICA and Coop, Belgian supermarket chain Delhaize, and Irish grocery chain SuperValu.
- Sweden's National Cybersecurity Center launched investigations into the incidents, while the Israel National Cyber Directorate issued urgent warnings to retail chains to secure remotely accessible refrigeration systems.
- Securing remotely accessible devices requires urgent infrastructure upgrades, including patching exposed operational technology and restricting internet access to critical refrigeration management systems, cybersecurity experts advise.
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