Unauthorized access resulted in the possibility of leakage of some customer, business partner, and employee information. Payment information such as credit card data is currently not affected. The total amount of potentially leaked information is unknown, but approximately 2,500,000 customer records, approximately 10,000 business partner records, and employee information is under investigation. Measures taken include server isolation and blocking of the access route; reports have been made to the police and the Personal Information Protection Commission. The impact on business results is being evaluated.<\/p>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","meta":{"Ticker":"","DATE":"","longName":"","company_name_ja":"","fullTimeEmployees":0,"address":"","phone":"","website":"","industry":"","sector":"","regularMarketPrice":0,"financialCurrency":"","marketCap":0,"fiftyTwoWeekLow":0,"fiftyTwoWeekHigh":0,"epsTrailingTwelveMonths":0,"epsForward":0,"bookValue":0,"totalRevenue":0,"OperatingIncome":0,"operatingMargins":0,"NetIncome":0,"profitMargins":0,"ebitda":0,"trailingPE":0,"forwardPE":0,"priceToBook":0,"returnOnEquity":0,"recommendationMean":0,"recommendationKey":"","targetMeanPrice":0,"numberOfAnalystOpinions":0,"analyst_earnings_data":"","dividendRate":0,"dividendYield":0,"payoutRatio":0,"totalEsg":0,"environmentScore":0,"socialScore":0,"governanceScore":0,"title":"","providerPublishTime":"","link":"","longBusinessSummary":"","longBusinessSummary_ja":"","quarterly_revenue":0,"quarterly_net_income":0,"quarterly_operating_profit":0,"enterprise_value":0,"price_fetched_at":"","company_officer_1_name":"","company_officer_1_title":"","company_officer_2_name":"","company_officer_2_title":"","company_officer_3_name":"","company_officer_3_title":"","company_officer_4_name":"","company_officer_4_title":"","company_officer_5_name":"","company_officer_5_title":"","company_officers_update_time":"","get_dividend_history_year1":0,"get_dividend_history_year2":0,"get_dividend_history_year3":0,"get_dividend_history_year4":0,"get_dividend_history_year5":0,"get_dividend_history_year6":0,"get_dividend_history_year7":0,"get_dividend_history_year8":0,"get_dividend_history_year9":0,"get_dividend_history_year10":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jir_stock_code":"2685","jir_company_name":"and ST HD Co.,Ltd.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-10-23","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/2685-20261023-01.pdf","jir_short_summary":"Unauthorized access resulted in the possibility of leakage of some customer, business partner, and employee information. Payment information such as credit card data is currently not affected. The total amount of potentially leaked information is unknown, but approximately 2,500,000 customer records, approximately 10,000 business partner records, and employee information is under investigation. Measures taken include server isolation and blocking of the access route; reports have been made to the police and the Personal Information Protection Commission. The impact on business results is being evaluated.","jir_summary":"### Overview of the Incident\nUnauthorized access by a third party to our operational servers occurred, and it has been determined that some customer, business partner, and employee information may have been leaked externally. Emergency measures were implemented, including isolating the servers and blocking the unauthorized access route. We have consulted with the police and reported the matter to the Personal Information Protection Commission. Although the web store and similar services have not been affected, use of member points has been temporarily suspended.\n\n### Impact on Business Results and Future Response\nThe impact of this incident on current period results is currently being examined, and if a material impact is expected, we will promptly disclose it. At present, there is no clear direct impact on financial results or financial indicators. We plan to establish a dedicated contact window to communicate individually with customers and business partners.","jir_financial_highlights":"Potential customer data leakage: approx. 2,500,000 records (Unknown)\nPotential business partner data leakage: approx. 10,000 records (Unknown)\nEmployee information: Scope under investigation (Unknown)","jir_category":"","jir_hashtags":"#CompanyDataLeak, #DisclosureCorrection, #PersonalDataProtection, #IR, #JapaneseStocks","jir_key_figures":"Potential customer data leakage: approx. 2,500,000 records\nPotential business partner data leakage: approx. 10,000 records\nEmployee information: Scope under investigation","jir_meta_title":"and ST HD Co.,Ltd. Notice of Unauthorized Server Access and Potential Personal Data Leakage\uff5cOctober 23, 2026","jir_meta_description":"and ST HD Co.,Ltd. announced unauthorized access to operational servers with potential personal data leakage: approximately 2,500,000 customer records, approximately 10,000 business partner records, and employee information under investigation. Describes current response measures and future disclosure policy.","jir_og_title":"and ST HD Co.,Ltd. Unauthorized Server Access and Potential Data Leakage October 23, 2026","jir_og_description":"Possible leakage of approximately 2,500,000 customer records and others confirmed. Reports current emergency measures and planned disclosures. Impact on financial results is undetermined.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":9302,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-134023","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n