Due to unauthorized access to the email delivery service “Arara Message,” there is a possibility that up to approximately 1,450,000 email addresses of registered members were leaked. Other personal information such as names is not affected. At present, the impact on business performance is expected to be minor. Measures to prevent recurrence will be implemented.<\/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":"7564","jir_company_name":"Workman Co.,Ltd.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-11-04","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/11\/7564-20261104-01.pdf","jir_short_summary":"Due to unauthorized access to the email delivery service \"Arara Message,\" there is a possibility that up to approximately 1,450,000 email addresses of registered members were leaked. Other personal information such as names is not affected. At present, the impact on business performance is expected to be minor. Measures to prevent recurrence will be implemented.","jir_summary":"### Overview of the Incident and Response\nWorkman Co.,Ltd. confirmed that Arara Inc., which provides the \"Arara Message\" service, experienced unauthorized access and that customer email addresses may have been leaked. Up to approximately 1,450,000 member email addresses are affected. At this time, names, addresses, telephone numbers, credit card information, and other personal data have not been leaked. The service has been suspended and a report is being made to the Personal Information Protection Commission. Going forward, we will enforce stricter management of contractors and strengthen our information security framework.\n\n### Future Response and Impact\nExamples of suspicious emails will be published and awareness activities to prevent secondary damage will be conducted. A contact desk for customer inquiries has been established. Any uncertainties regarding impact on business performance will be disclosed as they arise. Specific measures to prevent recurrence will be implemented sequentially.","jir_financial_highlights":"Net Sales: Unknown (Unknown)","jir_category":"","jir_hashtags":"#CorporateInformationSecurity, #PersonalInformationProtection, #CustomerNotification","jir_key_figures":"Affected information: up to approximately 1,450,000 email addresses\nDate: October 28 to 31 (period of unauthorized access)\nScope of impact: Names, addresses, telephone numbers, credit card information, etc. are not affected","jir_meta_title":"Workman Co.,Ltd. Notice on Possible Email Address Leakage\uff5cNovember 04, 2026","jir_meta_description":"Workman Co.,Ltd. announced that unauthorized access to an email delivery service may have led to leakage of registered members' email addresses. Approximately 1,450,000 addresses may be affected; names and other personal data are not affected. The company outlines measures to prevent recurrence and provides a contact point for inquiries.","jir_og_title":"Workman Co.,Ltd. Notice on Possible Email Address Leakage","jir_og_description":"An apology and response regarding unauthorized access to the email delivery service. Approximately 1,450,000 email addresses are affected. The company outlines measures to prevent recurrence and provides contact information.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":7840,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"general_ir","footnotes":""},"sector":[],"importance":[],"class_list":["post-140760","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n