On December 15, 2025, a ransomware attack occurred at a Vietnamese subsidiary. Financial and tax data were encrypted but no traces of information leakage were found, and the impact on business results is minimal.<\/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":"4116","jir_company_name":"Dainichi Seika Kogyo Co., Ltd.","jir_importance":"\u2605\u2605\u2605\u2606\u2606","jir_publication_date":"2026-03-25","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/03\/4116-20260325-02.pdf","jir_short_summary":"On December 15, 2025, a ransomware attack occurred at a Vietnamese subsidiary. Financial and tax data were encrypted but no traces of information leakage were found, and the impact on business results is minimal.","jir_summary":"### Overview of the Ransomware Incident and Scope of Impact\nOn December 15, 2025, the data server and files on PCs of the Vietnamese local subsidiary \"DAINICHI COLOR VIETNAM CO., LTD.\" were encrypted in a ransomware incident. The network was immediately disconnected and an investigation on the scope of impact was conducted with external experts. The encrypted data included financial and tax data, reports submitted to government agencies, and import\/export and customs documents, but no evidence supporting information leakage was found.\n\n### Future Measures and Impact on Business Results\nVulnerability countermeasures on the intrusion path have been completed, and we will continue to reconstruct information security systems, introduce advanced security functions, and strengthen employee training. Core operations such as manufacturing and shipping are operating normally, and the impact on the Group\u2019s business results from this incident is minimal.","jir_financial_highlights":"Impact on Business Results: Minimal (Unknown)","jir_category":"","jir_hashtags":"#DainichiSeikaKogyo, #GeneralIR, #JapaneseStocks","jir_key_figures":"Date of Ransomware Incident: 2025-12-15\nAffected Information: Financial and tax data, government agency reports, import\/export and customs documents\nImpact on Business Results: Minimal","jir_meta_title":"Dainichi Seika Kogyo Final Report on Ransomware Incident at Vietnamese Subsidiary and Impact on Business Results","jir_meta_description":"Dainichi Seika Kogyo announces investigation results of the ransomware incident at its Vietnamese subsidiary in December 2025. No evidence of information leakage was found, and the impact on business results is minimal.","jir_og_title":"Dainichi Seika Kogyo Announces Final Report on Ransomware Incident","jir_og_description":"Investigation results on the ransomware incident at the Vietnamese subsidiary are disclosed. Impact on business results is minimal with normal operations continuing.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":16872,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"general_ir","footnotes":""},"sector":[],"importance":[],"class_list":["post-36294","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n