A ransomware attack and unauthorized access by a third party occurred at overseas consolidated subsidiary SANKO FASTEM (VIETNAM) LTD. Personal data of approximately 898 people and business partner information of approximately 1,348 companies were leaked. Configuration errors were corrected and normal operation has been restored. 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Personal data of approximately 898 people and business partner information of approximately 1,348 companies were leaked. Configuration errors were corrected and normal operation has been restored. The impact on consolidated results is expected to be minor.","jir_summary":"### Overview of the Incident and Cause\nA ransomware attack and unauthorized access by a third party occurred at an overseas consolidated subsidiary, resulting in data encryption and leakage due to improper network device configuration. The misconfiguration has been corrected and related systems are operating normally. The scope of impact includes personal information of approximately 898 people, business partner information of approximately 1,348 companies, and information of 10 people who are officers or employees of the Group.\n\n### Recurrence Prevention and Future Measures\nThe improper configuration was corrected, external connection routes were blocked, authentication credentials were changed, infected servers were isolated and restored. Continuous inspections and reviews will be carried out to prevent recurrence. Relevant authorities have been notified. No secondary damage has been confirmed at this time.","jir_financial_highlights":"Impact on Consolidated Revenue: Unknown (Unknown)","jir_category":"","jir_hashtags":"#SankoTechnoCoLtd, #InformationSecurity, #DisclosureUpdate","jir_key_figures":"Personal information: approx. 898 people (name, address, telephone number, email address, identification documents, etc.)\nBusiness partner information: approx. 1,348 companies (company name, address, telephone number, etc.)\nAffected persons\/related parties: total approx. 908 people (including officers and employees)\nReported to Vietnamese authorities","jir_meta_title":"Sanko Techno Co., Ltd. Announces Ransomware Incident at Overseas Subsidiary | November 2026","jir_meta_description":"Sanko Techno Co., Ltd. reports a ransomware incident at its overseas consolidated subsidiary affecting personal data of approx. 898 people and business partner data of approx. 1,348 companies. Discloses remediation measures and recovery status; impact on consolidated results is expected to be minor.","jir_og_title":"Sanko Techno Co., Ltd. Announces Ransomware Incident at Overseas Subsidiary | November 2026","jir_og_description":"Announcement of a ransomware incident at an overseas consolidated subsidiary with leakage of personal and business partner information. Systems have been restored to normal operation and recurrence prevention measures are being implemented.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":58749,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-147076","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n