Internal System Disruption and Risk of Information Leakage Due to Unauthorized Ransomware Access
First written in FY2023-Q2. 1 of 3 entries say "Restated". Latest entry: FY2024.
0 other companies' latest entry also says "Dropped".
- FY2024DroppedAnnual reportThe specific incident described in the previous fiscal year, namely the ransomware-based unauthorized access and internal system disruption on 12 April 2023, is not explicitly identified in the current fiscal year's risk disclosures.
- FY2023RestatedAnnual report
「On 12 April 2023, the Group's internal systems were disrupted following unauthorized access by a third party using ransomware. The affected systems have already been restored, and the Group is taking the incident seriously and developing measures to prevent recurrence with advice from external experts. It will continue working to further strengthen information security.」
Unauthorized access using ransomware, the resulting system disruption, system restoration and measures to prevent recurrence developed with advice from external experts have been reconfirmed as key full-year risks. - FY2023-Q2First statedAnnual report
「On 12 April 2023, the Group's internal systems were disrupted following unauthorized access by a third party using ransomware. The affected systems have already been restored, but if confidential information, such as customer and technical information, is leaked, this could result in liability for damages, a decline in competitiveness and other consequences, affecting the Group's business performance and financial condition.」
Unauthorized access using ransomware and the resulting internal system disruption are described for the first time as information security risks. The systems are stated to have already been restored.