System failures and service outages
First written in FY2016. 3 of 5 entries say "Restated". Latest entry: FY2026.
The whole theme swung hardest in 2026: 18 of 84 companies on the "Worse" side.
115 other companies' latest entry also says "Restated".
- FY2026RestatedAnnual report
「From the standpoint of service reliability and transaction security, our group’s business IT infrastructure is designed to provide high availability and fault tolerance. For services that handle important data, we have implemented sufficient security measures and taken steps such as moving them to the cloud so that services can continue to be provided in an emergency.」
Measures through high availability, fault tolerance, cloud migration for important data, and the recruitment and training of IT personnel have been reconfirmed. - FY2025RestatedAnnual report
「From the standpoint of service reliability and transaction security, our group’s business IT infrastructure is designed to provide high availability and fault tolerance. For services that handle important data, we have implemented sufficient security measures and taken steps such as moving them to the cloud so that services can continue to be provided in an emergency.」
Measures to address system failures through high availability, fault tolerance, cloud migration for important data, and the recruitment and training of IT personnel have been reconfirmed. - FY2021RestatedAnnual report
「From the standpoint of service reliability and transaction security, our group’s business IT infrastructure is designed to provide high availability and fault tolerance. For services that handle important data, we have implemented sufficient security measures and taken steps such as moving them to the cloud so that services can continue to be provided in an emergency.」
Measures to address system failures through high availability, fault tolerance, cloud migration, and the recruitment and training of personnel have been reconfirmed. - FY2018MitigatedAnnual report
「In addition, the long-term care insurance claims system in the management support service for long-term care providers is used by more than 10,000 long-term care providers and handles important data related to monthly insurance claims. Accordingly, we have taken measures such as moving data storage to the cloud so that the data can be used even in an emergency.」
The document states that, in addition to the existing high-availability design and other measures, data storage for the long-term care insurance claims system used by more than 10,000 providers has been moved to the cloud. - FY2016First statedAnnual report
「The long-term care insurance claims system is used by more than 10,000 long-term care providers and handles important data related to monthly insurance claims. Accordingly, we have established two data centers so that operations can be switched over immediately in an emergency.」
Measures including high-availability and fault-tolerant design and two data centers are described, while reduced functionality and failures caused by natural disasters, operating errors and other factors are identified as risks.