On November 5, 2026, a coordinated statement was issued by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Department of Health and Human Services (HHS), the United States Department of Agriculture (USDA), and the U.S. Department of Transportation (DOT). The release emphasized the rising threat of malicious cyber activity targeting industrial refrigeration and cold chain control systems, which are critical to various sectors’ infrastructure.

The joint press release detailed observed cyber threats that compromise the operational integrity of these refrigeration and cold chain monitoring systems. Given their essential role in preserving the safety and quality of numerous goods, these vulnerabilities pose significant risks to public health and supply chain reliability.

In response, the agencies recommend that organizations responsible for these critical infrastructures adopt strengthened cybersecurity measures. They provide guidance on effective mitigations and encourage timely reporting of suspicious cyber activities to help protect these vital systems from potential disruptions or attacks.