European grocery stores have faced cyberattacks, raising concerns over potential threats to the United States' food supply.

A series of cyberattacks on grocery stores in Europe has sparked alarm among U.S. officials, who warn of possible dangers to the American food supply chain. According to reports, these attacks highlight the vulnerability of industrial refrigeration and cold-chain monitoring systems, which are crucial for preserving food safety and freshness.
The U.S. government issued a warning to businesses, advising them to be vigilant about potential assaults on their refrigeration systems. This comes after Brett Leatherman, the head of the FBI’s Cyber Division, issued an advisory on Thursday, emphasizing the need for heightened awareness and preparedness. The attacks in Europe reportedly involved hackers gaining access to control systems through unpatched, internet-reachable, or default password-protected systems, leading experts to recommend isolating operational technology and ensuring robust credential security.
Nicole Parker, a former FBI special agent, characterized the European cyberattacks as 'asymmetrical warfare,' underscoring their strategic significance. She noted that citizens should prepare by stocking up on essential items such as food, water, and medications. The timing of these events is notable, with October being dubbed 'Black October' due to multiple software vulnerabilities and cyber incidents.
In addition to the European incidents, at least six American military bases experienced freezer malfunctions in late August, adding to the sense of urgency. Meanwhile, European supermarkets and French blood banks reported temperature increases in their cold equipment, though no significant loss of blood products occurred thanks to swift action by the French Blood Establishment.
The European attacks came in two waves, one in mid-October and another more recent. Despite the severity of the situation, Romanian cybersecurity officials described the threat as 'semi-amateurish' and ruled out involvement from state actors. This assessment provides some reassurance, but does not diminish the overall concern for the safety and stability of the global food supply.
Likely accurate — probability of truth 72%, weighted across 15 claims from 2 independent outlets.