An unauthorized access occurred on part of the servers of the email delivery service provided by consolidated subsidiary Arara Inc. Approximately 3,010,000 email addresses may have been leaked. The impact on financial results is undetermined, and measures to strengthen security systems will be implemented as recurrence prevention.<\/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":"4015","jir_company_name":"Paycloud Holdings Inc.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-10-29","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/10\/4015-20261029-01.pdf","jir_short_summary":"An unauthorized access occurred on part of the servers of the email delivery service provided by consolidated subsidiary Arara Inc. Approximately 3,010,000 email addresses may have been leaked. The impact on financial results is undetermined, and measures to strengthen security systems will be implemented as recurrence prevention.","jir_summary":"### Overview of the Incident and Scope of Impact\nAn unauthorized external access to part of the servers of the email delivery service operated by our consolidated subsidiary Arara Inc. was detected, and it has been confirmed that some personal information may have been leaked externally. The affected parties are end users and client companies, and the scale of the leak is currently estimated to be approx. 3,010,000 cases; the cause is believed to be exploitation of a vulnerability in a web server. We will coordinate with external organizations to implement measures to prevent recurrence and share information with relevant authorities and client companies.\n\n### Future Response and Disclosure Policy\nAt this time, no impact on other services has been confirmed; however, we will re-conduct vulnerability inspections for all services and work to strengthen security management systems and prevent recurrence. Should new facts come to light, we will promptly disclose them. The impact on financial results will be examined, and if there are matters that should be disclosed, we will promptly make them public.","jir_financial_highlights":"Number of personal information records leaked (estimated): approx. 3,010,000 cases (Unknown)\nImpact on financial results: Unknown (Under investigation)","jir_category":"","jir_hashtags":"#PaycloudHoldings, #InformationSecurity, #DisclosureUpdate","jir_key_figures":"Number of personal information records confirmed leaked: approx. 3,010,000 cases\nDate of unauthorized access occurrence: 2026-10-28\nOfficial phrasing describing scope of impact: \"Facts currently identified\"","jir_meta_title":"Paycloud Holdings Inc. - Notice of Information Leak and Service Suspension | 2026-10","jir_meta_description":"An unauthorized access to the email delivery service of Paycloud Holdings Inc.'s consolidated subsidiary Arara Inc. resulted in an information leak. The scale is approx. 3,010,000 records. This notice outlines future responses and the outlook for impact on financial results. Security measures will be strengthened to prevent recurrence.","jir_og_title":"Paycloud Holdings Inc. - Notice of Information Leak","jir_og_description":"Unauthorized access to a consolidated subsidiary caused an information leak and service suspension. The number of leaked records is approx. 3,010,000. The company announces future responses and the outlook for financial impact and will promote security strengthening.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":122829,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-135889","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n