“Caught cold: fridge cyberattack highlights internet gadget weaknesses”

Key points

• Cyberattacks hit supermarket refrigeration systems across several European countries on Nov. 2.
• France, Belgium, Estonia, Finland, Ireland, Luxembourg, the Netherlands and Sweden reported temperature spikes.
• Attackers targeted fridge regulation systems, notably Danfoss, used by many shops.
• Experts say devices were exposed to the internet despite usually operating on closed networks.
• Authorities warn such vulnerabilities threaten food supply chains and critical infrastructure.