A devastating ransomware attack has struck Japanese frozen-food supplier and logistics firm Nichirei, disrupting the supply chain for thousands of clients, including major franchises like Kentucky Fried Chicken. The cyberattack, attributed to Russia-linked group RansomHouse, has left a trail of shortages and warnings from affected businesses.
Nichirei’s operations were severely impacted by the attack, which targeted its logistics and shipping systems. The company acknowledged the breach but provided limited details on the events leading up to it. In a statement, Nichirei assured that business recovery is underway, with external security firms collaborating on the effort. However, it’s clear that the incident has caused significant disruptions to the supply chain, with KFC franchises in Japan warning of potential shortages.
This attack highlights a concerning trend in Japanese companies: the convergence of two major threats – ransomware and supply chain attacks – which have become increasingly common. According to an annual list published by Japan’s Ministry of Economy, Trade, and Industry (METI), nearly half of all Japanese companies have suffered a ransomware attack, with many more experiencing disruptions to their supply chains.
The ripple effects of the Nichirei breach are far-reaching, given the company’s extensive logistics network and client base. With approximately 5,000 customers, including KFC franchises, Nichirei manages a fleet of about 7,000 refrigerated vehicles from 141 different logistics centers and warehouses. The attack has exposed vulnerabilities in Japan’s just-in-time delivery models, which rely on minimal buffer inventory to ensure efficient operations.
Industry experts warn that companies need to prioritize ransomware recovery strategies, rather than simply relying on backup systems. A good backup strategy is not enough if restoration takes weeks; companies must be able to operate offline and maintain business continuity in the face of a cyberattack. As Collin Hogue-Spears, senior director of solution management at Black Duck, notes, attackers can compromise one company’s servers and spread that vulnerability across the national food supply.
In light of this incident, it’s essential for businesses to practice ransomware recovery, rather than simply preaching about cybersecurity best practices. Companies must be prepared to respond quickly and effectively in the event of an attack, ensuring minimal disruption to their operations and supply chains. As John Gallagher, vice president at Viakoo, points out, “Nichirei’s decision to sever internal networks is a classic response to active encryption or lateral movement across operational subnetworks.” However, this approach can have severe consequences in just-in-time delivery models, leading to stock-outs and shortages.
Ultimately, the Nichirei breach serves as a stark reminder of the importance of robust cybersecurity measures and incident response strategies. Companies must prioritize preparedness and resilience in the face of emerging threats, ensuring that they are equipped to respond quickly and effectively in the event of an attack.
Source: Dark Reading — 2026-07-23