Overview
- Tokyo-based Nichirei detected unauthorized access earlier this month that interrupted refrigerated warehouse shipments and deliveries for thousands of clients, including restaurant and retail chains.
- A group calling itself RansomHouse posted on the dark web saying it had stolen internal Nichirei data, a claim confirmed as posted by security firm S&J but not officially verified by Nichirei.
- Nichirei said it began restoring systems on July 17 and expects full recovery this week while working with an outside cybersecurity firm and cooperating with police.
- The company acknowledged some affected servers contained personal information and said it has notified people who may be affected but has not disclosed the types or volume of data.
- RansomHouse has publicly claimed prior attacks on Japanese firms, and the incident highlights how ransomware and data-leak extortion can quickly ripple through food supply chains and force wider industry action on defenses.