The United States government has issued an urgent warning regarding persistent cyber threats targeting industrial refrigeration systems across the nation. Federal agencies report that malicious hackers are actively probing and exploiting vulnerabilities within these critical facilities, which are essential for food supply chains, cold storage, and chemical processing. Because many of these operational technology networks are outdated or directly connected to the internet, they present soft targets for sophisticated cybercriminals and state-sponsored actors. Authorities are strongly urging facility operators to immediately implement robust security measures, such as disconnecting critical systems from public networks and enforcing multi-factor authentication, to prevent potentially catastrophic disruptions to vital infrastructure.