The cooling systems of chain stores in at least seven European countries were the target of cyber attacks.
guardian:.
These cyberattacks were reported in Belgium, the Netherlands, Luxembourg, Sweden, Finland, Estonia and Ireland, and several companies confirmed that their systems had been breached.
The temperature of refrigerators and freezers in stores in these countries rose up to 50 degrees Celsius.
Following the cyber attacks, some stores had to throw away their food and in some branches signs were installed with the theme "Refrigerated products cannot be obtained due to the cyber ground attack".