Matsuya announced that a third-party unauthorized access to the management system of the Matsuya official app resulted in leakage of member information. The affected information includes member IDs and others, with a maximum number of 2,377,127 entries; credit card information is not retained. The cause is under investigation. The company is working to restore systems quickly and report to relevant authorities, and will contact affected customers sequentially and consider compensation for the service suspension period for app members.<\/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":"9887","jir_company_name":"Matsuya Foods Holdings Co., Ltd.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-10-30","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/9887-20261030-01.pdf","jir_short_summary":"Matsuya announced that a third-party unauthorized access to the management system of the Matsuya official app resulted in leakage of member information. The affected information includes member IDs and others, with a maximum number of 2,377,127 entries; credit card information is not retained. The cause is under investigation. The company is working to restore systems quickly and report to relevant authorities, and will contact affected customers sequentially and consider compensation for the service suspension period for app members.","jir_summary":"### Overview of the Incident\nUnauthorized access by a third party occurred to the management system of the Matsuya official app, resulting in leakage of personal information such as member IDs, names, and addresses, as well as Matsuya points. Credit card information is not retained by the company. At present, the scope of impact is estimated to be around a maximum of 3,000 cases, with approximately 2,000 confirmed leaked cases. The cause is under investigation, and system restoration and reporting to relevant authorities are currently underway.\n\n### Future Measures and Impact on Shareholders and Customers\nThe company will work with related parties to expedite system restoration and take necessary actions such as reporting to the Personal Information Protection Commission. Affected customers will be contacted sequentially, and the company will consider compensation for app members for the period of service suspension. Detailed updates will be announced separately, and the company will issue warnings to be cautious of suspicious contacts such as fraud.","jir_financial_highlights":"Number of personal information records leaked due to unauthorized access (maximum): maximum 3,000 cases (Confirmed so far: 2,000 cases; maximum possible: 3,000 cases)\nLeaked information of users of Matsuya Net \/ Mobile Order \/ Matsuya Delivery: 2,377,127 cases (Unknown)","jir_category":"","jir_hashtags":"#MatsuyaFoodsHoldings, #PersonalInformationLeakMeasures","jir_key_figures":"Number of leaked records (maximum): 3,000 cases\nNumber of leaked records (confirmed to date): 2,000 cases\nLeaked records of mobile users: 2,377,127 cases","jir_meta_title":"Matsuya Foods Holdings Co., Ltd. \u2014 Notice of Personal Information Leak in Official App | October 2026","jir_meta_description":"Notice that member information was leaked due to unauthorized third-party access to the management system of the Matsuya official app. We disclose the current scope of impact, the cause investigation, future measures, and compensation policy.","jir_og_title":"Matsuya Foods Holdings Co., Ltd.: Notice of Personal Information Leak in Official App","jir_og_description":"Personal information was leaked due to unauthorized access to the official app. We disclose the current scope of impact, future measures, and compensation policy.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":9434,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-137348","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n