Confirms the possibility that some personal information of Yellow Hat members may have been leaked due to unauthorized access. The potentially affected data total up to 1,801,499; potential leakage includes names, telephone numbers, email addresses, and membership numbers. Credit card information, passwords, and vehicle information are not held or leaked. Actions taken include system shutdown, investigation, and enhanced security. If any impact on future performance is identified, it will be disclosed promptly.<\/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":"9882","jir_company_name":"Yellow Hat Co., Ltd.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-08-28","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/08\/9882-20260828-01.pdf","jir_short_summary":"Confirms the possibility that some personal information of Yellow Hat members may have been leaked due to unauthorized access. The potentially affected data total up to 1,801,499; potential leakage includes names, telephone numbers, email addresses, and membership numbers. Credit card information, passwords, and vehicle information are not held or leaked. Actions taken include system shutdown, investigation, and enhanced security. If any impact on future performance is identified, it will be disclosed promptly.","jir_summary":"### Section Heading\nThis notice discloses the possibility of personal information leakage due to unauthorized access to the Yellow Hat web reservation system. It describes the chronology of the incident, data items and counts that may have been leaked, the scope of affected information, current response status, and future policy. It states that there is no impact on other group companies or brands.\n\n### Second Section Heading\nRegarding potential future effects, if there is a direct impact on performance, it will be disclosed promptly. Reports have been made to the Personal Information Protection Commission and police consultations have been conducted. Information on customer notification methods, contact points, and inquiry desk is provided.","jir_financial_highlights":"Unknown: Unknown (Unknown)","jir_category":"","jir_hashtags":"#YellowHat, #PersonalInformationLeakage, #DisclosureUpdate","jir_key_figures":"Maximum data subjects: 1,801,499 people\nAffected items: Name, telephone number, e-mail address, member number\nNon-target data: Credit card information, passwords, and vehicle information are not leaked","jir_meta_title":"\u3010Yellow Hat\u3011Notice Regarding the Possibility of Personal Information Leakage\uff5c2026\/08\/28","jir_meta_description":"Yellow Hat discloses the possibility of personal information leakage due to unauthorized access to the web reservation system. Explains the number of affected data, leakage risk, response status, and future disclosure policy.","jir_og_title":"Yellow Hat: Notice Regarding the Possibility of Personal Information Leakage","jir_og_description":"Discloses the possibility of personal information leakage due to unauthorized access. Explains number of affected data, scope of impact, response status, and future disclosure policy.","jir_og_image_url":"\/assets\/og\/company-disclosure_update.jpg","jir_chart_data_collection":"[]","ir_related_company":9250,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-108169","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n