Announced a system disruption caused by unauthorized network access. Confirmed potential leakage of up to 6,000,000 customer records; subscription and remodeling-related data may also be affected. Investigation is ongoing; working to restore suspended services and prevent recurrence.<\/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":"8173","jir_company_name":"Joshin Corporation","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-10-26","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/8173-20261026-01.pdf","jir_short_summary":"Announced a system disruption caused by unauthorized network access. Confirmed potential leakage of up to 6,000,000 customer records; subscription and remodeling-related data may also be affected. Investigation is ongoing; working to restore suspended services and prevent recurrence.","jir_summary":"### Overview of the Incident\nThe Company announced a system disruption caused by unauthorized access on October 17, 2026, and disclosed the matter to the Tokyo Stock Exchange on October 19. We are currently coordinating with external specialist organizations to investigate the scope of impact and whether personal information was leaked. Payment information is not retained, and we do not hold credit card information. Customer data potentially affected include the membership information database, subscription data, and the remodeling photo upload system, with maximum scales of approximately 6,000,000 records, approximately 230,000 records, and approximately 800 records, respectively. We will continue to disclose additional information on our official website as it becomes available.\n\n### Future Response and Impact\nWe will prioritize preventing recurrence and the prompt restoration of suspended services, and will strengthen measures against vulnerabilities. We have established countermeasures and an inquiry desk to minimize customer impact, and will promptly disclose any new facts that should be made public. Inquiries will be handled by the Customer Consultation Desk.","jir_financial_highlights":"Number of customer records potentially leaked: up to 6,000,000 records (Unknown)\nNumber of possible leaks from remodeling photo upload system: up to 800 records (Unknown)\nNumber of possible subscription leaks: up to 230,000 records (Unknown)","jir_category":"","jir_hashtags":"#CorporateInformationSecurity, #CustomerDataProtection, #MaterialDisclosure","jir_key_figures":"Number of customer records potentially leaked: up to 6,000,000 records\nNumber of possible subscription leaks: up to 230,000 records\nNumber of possible leaks from remodeling photo upload system: up to 800 records","jir_meta_title":"Joshin Corporation: Apology and Current Status of System Disruption Caused by Unauthorized Access | October 2026","jir_meta_description":"Second report from Joshin Corporation on a system disruption caused by unauthorized access. Summarizes the scale of potentially leaked customer data, scope of impact, current investigation status, and planned measures to prevent recurrence.","jir_og_title":"Joshin Corporation: Latest Status of Unauthorized Access and Measures to Prevent Recurrence","jir_og_description":"Second report on a system disruption caused by unauthorized access. Summarizes potential impact of up to 6,000,000 personal records, 230,000 subscription records, and 800 remodeling photo records, and outlines planned responses.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":16932,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-134440","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n