Fridge hack costing millions and sparking fires stemmed from poor security

Incident hitting 700 supermarkets exploited outdated devices exposed to the Internet.

Fridge hack costing millions and sparking fires stemmed from poor security

TL;DR

  • A cyberattack affected refrigeration systems in supermarkets across France and other European countries.
  • Attackers exploited vulnerabilities in internet-connected controllers, remotely activating defrosters and causing temperatures to rise significantly.
  • The hack resulted in spoiled food and, in some cases, electrical fires.
  • Vulnerable controller models from Danfoss, Dixell, and Copeland allowed remote administrator-level access due to critical security flaws.
  • Failure to implement basic security measures such as using VPNs, IP allowlists, and changing default credentials contributed to the mass compromise.
  • The motive behind the attack remains unknown, with possibilities including mass vandalism or a nation-state aiming for continental disruption.
  • The incident highlights the tension between financial departments and security needs within businesses, emphasizing the importance of investing in cybersecurity.