Cyberterrorism and information security for railway systems
First written in FY2017. 12 of 22 entries say "Restated". Latest entry: 2026-10-30.
No other company in this theme has enough history to compare yet.
- 2026-10-30Materialisedwww.sbbit.jp
「延期の背景には、9月26日に発生したランサムウェア攻撃によるシステム影響の対応が含まれるとみられる。」
記事は、ランサムウェア攻撃が発生し、そのシステム影響への対応が中間決算の発表延期の背景に含まれると報じている。 - FY2026MitigatedAnnual report
「To reduce information security risks at the company and Group companies, the company established the Keio Group Information Systems Security Guidelines and newly began system audits based on them. To strengthen measures against ransomware, it promoted the implementation of EDR (a mechanism that detects suspicious behavior on PCs) at Group companies.」
The company expanded its information security measures to include system audits based on Group-wide guidelines and the implementation of EDR. - 2026-05-28MitigatedGeneral Meetings of Shareholders
「当社およびグループ各社の情報セキュリティリスクを低減するため「京王グループ情報システムセキュリティガイドライン」を定め、これに基づくシステム監査を新たに開始しました。」
グループ共通ガイドラインの制定と、それに基づくシステム監査の開始を記載している。 - FY2025MitigatedAnnual report
「At the company and some Group companies, the company promoted the introduction of biometric authentication for internal PCs, updates to antivirus software and the implementation of EDR (a mechanism that detects suspicious behavior on PCs). It also proceeded with implementing WAFs (a mechanism that blocks unauthorized access to websites) and migrating to and operating a dedicated web server infrastructure for the Group as a secure platform.」
The company expanded its response to cyberattack and information security risks to include biometric authentication, EDR, antivirus software, WAFs and a dedicated web server infrastructure. - FY2024-Q3RestatedAnnual report
「During the cumulative third quarter under review, there were no significant changes in the matters described in this quarterly report regarding the business and accounting conditions that management recognizes could materially affect the financial position, operating results and cash flows of the consolidated companies, or in the “Business and Other Risks” described in the securities report for the previous fiscal year.」
The company states that there has been no occurrence or material change in its major business and other risks, including cyberterrorism and information security for railway systems. - FY2024-Q2RestatedAnnual report
「During the cumulative second quarter under review, there were no significant changes in the matters described in this quarterly report regarding the business and accounting conditions that management recognizes could materially affect the financial position, operating results and cash flows of the consolidated companies, or in the “Business and Other Risks” described in the securities report for the previous fiscal year.」
The company states that there has been no occurrence or material change in its major business and other risks, including cyberterrorism and information security for railway systems. - FY2023MitigatedAnnual report
「In addition to proceeding with the implementation of WAFs (a mechanism that blocks unauthorized access to websites), the company began building the Keio Group web server infrastructure. It also considered IT-BCP measures assuming a ransomware infection and conducted targeted phishing email exercises, among other measures.」
The company expanded its information security measures to include WAFs, web server infrastructure, IT-BCP measures assuming ransomware infections and targeted phishing email exercises. - FY2022MitigatedAnnual report
「In addressing information security risks, the company proceeded with the implementation of WAFs (a mechanism that blocks unauthorized access to websites) to protect against website attacks and the migration of websites to a more secure system infrastructure.」
Regarding cyberterrorism and railway system information security, the company implemented WAFs, migrated websites, verified the railway operations control system and conducted targeted phishing email exercises. - FY2021-Q3RestatedAnnual report
「During the cumulative third quarter under review, there were no significant changes in the matters described in this quarterly report regarding the business and accounting conditions that management recognizes could materially affect the financial position, operating results and cash flows of the consolidated companies, or in the “Business and Other Risks” described in the securities report for the previous fiscal year.」
The company states that there has been no occurrence or material change in its major business and other risks, including cyberterrorism and information security for railway systems. - FY2021-Q1RestatedAnnual report
「During the three-month period ended 30 June, there were no new risks that management recognizes as having the potential to materially affect the financial position, operating results or cash flows of the consolidated companies, and no material changes to the business risks described in the annual securities report for the previous fiscal year.」
The company states that there has been no occurrence or material change in its major business and other risks, including cyberterrorism and information security for railway systems. - FY2020MitigatedAnnual report
「In addition, as a precaution against cyberterrorism, the company strengthened the website management systems of Group companies.」
In response to cyberterrorism and information security risks, the company strengthened the website management systems of Group companies. - FY2020-Q3RestatedAnnual report
「During the cumulative third quarter, there were no newly arising business or other risks. There were also no material changes in the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2020-Q2RestatedAnnual report
「During the cumulative second quarter, no new business or other risks arose. In addition, there were no material changes to the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2020-Q1RestatedAnnual report
「During the cumulative first quarter, there were no newly arising business or other risks. There were also no material changes in the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2019MitigatedAnnual report
「As part of its efforts to counter external attacks, the railway business participated in a cyberattack response exercise organized by the Cabinet Office and conducted counterterrorism exercises in cooperation with the police and other organizations.」
In response to the information security risks associated with cyberterrorism and railway systems, the company conducted cyberattack response exercises and counterterrorism exercises in cooperation with the police. - FY2019-Q3RestatedAnnual report
「There were no newly arising business or other risks during the nine-month period ended 31 December. In addition, there were no material changes to the "Business and Other Risks" described in the annual securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2019-Q2RestatedAnnual report
「During the cumulative second quarter, no new business or other risks arose. In addition, there were no material changes to the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2019-Q1RestatedAnnual report
「During the cumulative first quarter, there were no newly arising business or other risks. There were also no material changes in the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2018AdvancedAnnual report
「As a precaution against cyberterrorism, the company had an external assessment organization conduct risk assessments of critical systems, including the railway operations control system.」
The company progressed from the initial stage of launching assessments by the Information Security Subcommittee and Railway Systems Subcommittee to having an external assessment organization conduct risk assessments of critical systems. - FY2018-Q3RestatedAnnual report
「During the cumulative third quarter, there were no newly arising business or other risks. There were also no material changes in the business and other risks described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2018-Q2RestatedAnnual report
「No new business or other risks arose during the six-month period of the current consolidated fiscal year. There were also no material changes to the “Business and Other Risks” described in the securities report for the previous fiscal year.」
The company explicitly states that there has been no new occurrence or material change in the information security risk related to cyberterrorism and railway systems. - FY2017First statedAnnual report
「In its information security measures, in response to the heightened risk of cyberterrorism, the company established a Railway Systems Subcommittee within its Information Security Subcommittee and began risk assessments to strengthen information security for railway systems.」
Recognizing the rising risk of cyberterrorism, the company disclosed the establishment of a Railway Systems Subcommittee and the start of risk assessments as countermeasures.