Risk of Disruptions to Shared Systems and Nationwide Networks
First written in FY2016. 2 of 7 entries say "Materialised", first in 2026-05-27. Latest entry: FY2026.
Japan Post Bank moved to the "Worse" side of this theme in 2026, the same year as the typical company in this theme.
The whole theme swung hardest in 2026: 17 of 84 companies on the "Worse" side.
10 other companies' latest entry also says "Materialised".
- FY2026MaterialisedAnnual report
「Occurrence of system outages, including outages of the domestic funds transfer system」
The occurrence of system outages, including outages of the domestic funds transfer system, is included among the evaluation criteria for performance-linked compensation, identifying system risk as a specific incident. - 2026-05-27MaterialisedGeneral Meetings of Shareholders
「2025年度は、７月に発生した内国為替システムの障害を題材とした危機管理総合訓練を実施いたしました。さらに、過去のシステム障害の発生要因を分析し、各システムの障害復旧手順の再点検を順次実施しております。」
内国為替システム障害の発生を前提に、危機管理訓練と復旧手順の再点検を実施したことが記載された。 - FY2023MitigatedAnnual report
「In preparation for the system renewal in May 2023, the Bank established a company-wide implementation committee reporting directly to the Representative Executive Officer and President, developed a company-wide framework with advice from a third-party organization, and completed the renewal smoothly.」
The disclosure states that a framework was established to address the system renewal and that the renewal was completed smoothly, demonstrating a track record in addressing system outage risks. - FY2021-Q3RestatedAnnual report
「To reduce these cyber risks, the Bank has established a specialized cybersecurity department and appointed a CISO (Chief Information Security Officer), and is developing multilayered defense and detection measures.」
The disclosure continues to describe the specialized cybersecurity department, CISO, multilayered defense and detection measures, and cooperation with external specialist organizations. - FY2021-Q2Specific impact channels of cyberattacksAnnual report
「If external cyberattacks, unauthorized access or computer virus infections result in the leakage or loss of confidential or customer information, unauthorized use of various services, fraudulent transfers or outages of information and communications systems, this may affect the business, performance and financial condition of the Bank Group through economic and psychological harm to customers, business suspensions and associated losses and liability claims for damages, administrative sanctions and penalties, and loss of trust among customers and the market.」
For cyber risk, the disclosure specifies impact channels beyond conventional system outages and information leaks, including unauthorized use of payment services, fraudulent transfers, liability claims for damages, administrative sanctions and loss of trust. - FY2019WorsenedAnnual report
「In particular, while transactions using the internet and smartphones have increased significantly with the rapid development of digital technology in recent years, cyberattack methods have also become more sophisticated and advanced, increasing cyber risk for financial institutions.」
The disclosure explicitly identifies heightened cyber risk against the backdrop of increased digital transactions and increasingly sophisticated and advanced cyberattack methods. - FY2016First statedAnnual report
「In addition to the banking systems owned by the Bank, the Bank uses systems shared with JAPAN POST HOLDINGS Co.,Ltd., Japan Post Co., Ltd. and JAPAN POST INSURANCE Co., Ltd. to conduct and manage transactions involving bank accounts and asset management. The Bank also communicates with the nationwide post office network and the Nationwide Bank Data Communication System, among others. Information and communications systems therefore perform an extremely important function for the Bank's business.」
Factors that may cause outages include natural disasters, cyberattacks, human error, virus infections and defects in development or system updates.