It has been identified that unauthorized access to the members-only server of the consolidated subsidiary 2Rinkan may have resulted in the leakage of personal information for up to 3,455,754 individuals. Investigation and response efforts are ongoing.<\/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,"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 Ltd.","jir_importance":"\u2605\u2605\u2605\u2605\u2606","jir_publication_date":"2026-05-01","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/05\/9882-20260501-01.pdf","jir_short_summary":"It has been identified that unauthorized access to the members-only server of the consolidated subsidiary 2Rinkan may have resulted in the leakage of personal information for up to 3,455,754 individuals. Investigation and response efforts are ongoing.","jir_summary":"### Investigation Status of Personal Information Leakage Due to Unauthorized Access\nRegarding the unauthorized access incident targeting the members-only server of 2Rinkan Yellow Hat Ltd., an external investigation company is continuing its examination of data potentially compromised. Membership information for up to 3,455,754 individuals is involved, covering a wide range of information including names, addresses, telephone numbers, dates of birth, and email addresses. Since credit card information is stored on a different server, there is no possibility of leakage in this incident.\n\n### Customer Support and Future Response Policy\nAffected customers will be contacted via telephone, app, email, SMS, and postal mail as soon as preparations are complete, with apologies and precautionary advice. A dedicated consultation desk has been established, and reports have been filed with the Personal Information Protection Commission as well as police damage reports submitted. Should any material impact on business performance be identified, prompt disclosure will be made.","jir_financial_highlights":"Number of potentially leaked data records: Up to 3,455,754 individuals (Unknown)\nData categories involved: Name, address, telephone number, date of birth, gender, email address, membership number, app user ID, app password, point balance, vehicle information (Unknown)\nPossibility of credit card information leakage: None (Unknown)","jir_category":"","jir_hashtags":"#YellowHat, #PersonalInformationLeakage, #GeneralIR","jir_key_figures":"Number of potentially affected members: Up to 3,455,754 individuals\nData categories involved: Name, address, telephone number, date of birth, gender, email address, membership number, app user ID, app password, point balance, vehicle information\nPossibility of credit card information leakage: None","jir_meta_title":"[Yellow Hat] Investigation Report on Potential Personal Information Leakage at Consolidated Subsidiary | May 2026","jir_meta_description":"Unauthorized access at the consolidated subsidiary 2Rinkan of Yellow Hat Ltd. has revealed a potential leakage of personal information for up to 3,455,754 individuals. Investigation and response measures are ongoing.","jir_og_title":"[Yellow Hat] Report on Investigation of Personal Information Leakage at Consolidated Subsidiary | May 2026","jir_og_description":"Unauthorized access to the members-only server of 2Rinkan has been confirmed. An investigation is underway regarding the possibility of personal information leakage involving up to 3,455,754 individuals.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":9250,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"general_ir","footnotes":""},"sector":[],"importance":[],"class_list":["post-44808","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n