New Wave of Refrigeration Cyberattacks Hits Supermarkets Across Europe, Forcing Stores to Pull Food

Attackers compromised internet-connected refrigeration control systems across supermarkets in multiple European countries, remotely altering temperature settings to cause food spoilage. Systems manufactured by Danfoss and Copeland were targeted, with investigations revealing that impacted units relied on default credentials, unpatched legacy software, and unsecured public network connections. The incidents highlight critical external perimeter risks stemming from exposed industrial control equipment left accessible over the internet without proper authentication.