System failures and information leaks
First written in FY2024. 1 of 3 entries say "Mitigated", first in FY2025. Latest entry: 2026-05-15.
The whole theme swung hardest in 2026: 13 of 73 companies on the "Worse" side.
7 other companies' latest entry also says "Materialised".
- 2026-05-15MaterialisedFinancial results presentation
「Costs incurred in responding to a cyberattack on the consolidated subsidiary Sincere Group」
A cyberattack occurred at Sincere Group, and the response costs were recorded as an extraordinary loss. - FY2025MitigatedAnnual report
「The Group takes the utmost care and has implemented stringent measures to prevent information leaks, including establishing a personal information protection policy, obtaining ISMS certification, except for certain subsidiaries and affiliates, and strengthening internal systems through employee training.」
System outages, cyberattacks and information leaks remain ongoing risks, and specific measures including a personal information protection policy, ISMS certification and employee training have been disclosed. - FY2024First statedAnnual report
「If systems stop operating because of unexpected problems with communications equipment or other facilities, or if unauthorized access, alteration, destruction, loss or leakage of data occurs due to cyberattacks or other unforeseen circumstances, or if a serious incident involving the leakage and misuse of confidential information occurs, public trust could decline and the Group's business, operating results or financial condition could be adversely affected.」
Because the Group handles sensitive personal information, including medical information, medical histories and treatment status, system outages, cyberattacks, leaks and data alteration are recognized as risks.