{"id":108804,"date":"2026-08-31T16:18:20","date_gmt":"2026-08-31T07:18:20","guid":{"rendered":"https:\/\/japanir.jp\/en\/ir\/4923-20260831-01_wp_disclosure_update\/"},"modified":"2026-08-31T16:18:20","modified_gmt":"2026-08-31T07:18:20","slug":"4923-20260831-01_wp_disclosure_update","status":"publish","type":"ir_release","link":"https:\/\/japanir.jp\/en\/company\/company-4923\/ir\/4923-20260831-01_wp_disclosure_update\/","title":{"rendered":"Notice of Material Internal Control Deficiencies in Financial Reporting"},"content":{"rendered":"<p>Determined that there are material internal control deficiencies in financial reporting due to a cyberattack. Discloses corrective measures and confirms no impact on the financial statements.<\/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":"4923","jir_company_name":"Corporation","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-08-31","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/08\/4923-20260831-01.pdf","jir_short_summary":"Determined that there are material internal control deficiencies in financial reporting due to a cyberattack. Discloses corrective measures and confirms no impact on the financial statements.","jir_summary":"### Section Heading\nThis report notifies that there are material internal control deficiencies related to the financial reporting for the fiscal year ending March 2026, detailing the delay in closing processes triggered by a cyberattack and the status of corrective actions based on external forensic investigations. The corrective policy includes multi-layered measures such as analysis of intrusion paths, identification of potential risks, and strengthening of monitoring, to be continued. There is no impact on the financial statements, and the audit report is an unqualified opinion.\n\n### Section 2 Heading\nGoing forward, we will continue to implement thorough preventive measures and strengthen monitoring, revising and improving in response to environmental changes and new threat trends. Strengthening cyber security to enhance the reliability of financial reporting and protect investors.","jir_financial_highlights":"Impact on financial statements: Unknown (Unknown)\nAudit opinion: Unqualified opinion (Unknown)","jir_category":"","jir_hashtags":"#Unclear #IRDisclosuresCorrection","jir_key_figures":"Impact on financial statements: Unknown\nAudit opinion: Unqualified opinion\nDetails of corrective measures: Unknown","jir_meta_title":"\u3010Company Name\u3011Notice Regarding Internal Control Deficiencies in Financial Reporting | August 2026","jir_meta_description":"Public disclosure of internal control deficiencies in financial reporting triggered by a cyberattack. Status of corrective measures, no impact on financial statements, audit is unqualified. Upcoming preventive measures.","jir_og_title":"Disclosure of Internal Control Deficiencies in Financial Reporting | August 2026","jir_og_description":"Disclosure of corrective actions post-cyberattack and impact on financial statements. Audit is unqualified. Focus on future measures.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":56969,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-108804","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Notice of Material Internal Control Deficiencies in Financial Reporting - Japan IR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/japanir.jp\/en\/company\/company-4923\/ir\/4923-20260831-01_wp_disclosure_update\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/japanir.jp\/en\/company\/company-4923\/ir\/4923-20260831-01_wp_disclosure_update\/\",\"url\":\"https:\/\/japanir.jp\/en\/company\/company-4923\/ir\/4923-20260831-01_wp_disclosure_update\/\",\"name\":\"Notice of Material Internal Control Deficiencies in Financial Reporting - 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