Some services were suspended due to unauthorized access. Investigation is ongoing to verify the possibility of personal data leakage. Actions are being taken to prevent recurrence and to resume suspended services.<\/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":"2026-10-19","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/8173-20261019-01.pdf","jir_short_summary":"Some services were suspended due to unauthorized access. Investigation is ongoing to verify the possibility of personal data leakage. Actions are being taken to prevent recurrence and to resume suspended services.","jir_summary":"### Incident and Current Status\nThis notice informs that Joshin Corporation's network was affected by unauthorized access by a third party, resulting in the inability to provide certain services, and it describes the current response. After recognizing the unauthorized access on 2026-10-16, measures such as restricting external access were implemented. The scope and details of the impact are being investigated in cooperation with external specialist organizations. The possibility of personal data leakage cannot be ruled out, and an initial report has been submitted to the Personal Information Protection Commission. Additional reports will be made depending on the results.\n\n### Future Response and Impact\nWe will continue implementing recurrence prevention measures and efforts to resume the suspended services. If new facts are identified, they will be promptly disclosed via the official website and other channels. A contact desk has been provided to minimize impact on customers and stakeholders.","jir_financial_highlights":"Unknown: Unknown (Unknown)","jir_category":"","jir_hashtags":"#Joshin, #Disclosure, #UnauthorizedAccess","jir_key_figures":"Key Figure 1: Unknown (Monetary amount and scale of damage have not been disclosed)\nKey Figure 2: Unknown (Specific numerical scope of impact has not been disclosed)\nKey Figure 3: 2026-10-16 (Date when unauthorized access was recognized)","jir_meta_title":"Joshin Corporation Notice of Unauthorized Access and Countermeasures | October 2026","jir_meta_description":"Joshin Corporation announces a system disruption caused by unauthorized access, investigation status including verification of potential personal data leakage, and measures to prevent recurrence and resume services.","jir_og_title":"Joshin Corporation Notice of Unauthorized Access","jir_og_description":"Joshin Corporation announces the impact of unauthorized access and ongoing investigation and recurrence prevention measures. Attention on responses including the possibility of personal data leakage.","jir_og_image_url":"\/assets\/og\/company-disclosure_update.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-132445","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n