Mass hack of fridges at 700 European supermarkets caused spoilage and fires

Attackers hacked internet-connected controllers of refrigeration systems at an estimated 700 European supermarkets, triggering defrosters that pushed temperatures to 50 °C. Food spoiled and some electrical systems caught fire, with damage likely reaching tens or hundreds of millions of euros. Critical flaws were found in Danfoss, Dixell and Copeland controllers.

• Hacked controllers from Danfoss, Dixell and Copeland had critical vulnerabilities
• Defrosters drove fridge temperatures as high as 50 °C
• Stores in France, Spain, Portugal, Poland, Germany and Belgium were affected
• Damage is estimated at tens or hundreds of millions of euros