Key facts
- Yoshinoya Holdings blocked overseas access to its systems.
- Personal information was leaked in August and September.
- The breach involved data from a former staffing provider.
Restaurant operator Yoshinoya Holdings has blocked access to its computer systems from overseas as part of a broader trend of Japanese companies enhancing their cybersecurity defenses. The move follows a data breach that occurred in August and September, involving personal information previously held by a former staffing provider for the company. Yoshinoya Holdings is currently reviewing its cybersecurity procedures in response to the incident.


