{"id":33213,"date":"2026-03-04T16:22:12","date_gmt":"2026-03-04T07:22:12","guid":{"rendered":"https:\/\/japanir.jp\/en\/ir\/6857-20260304-01_wp_general_ir\/"},"modified":"2026-03-04T16:22:12","modified_gmt":"2026-03-04T07:22:12","slug":"6857-20260304-01_wp_general_ir","status":"publish","type":"ir_release","link":"https:\/\/japanir.jp\/en\/company\/company-6857\/ir\/6857-20260304-01_wp_general_ir\/","title":{"rendered":"Notice Regarding Cybersecurity Incident (Update)"},"content":{"rendered":"<p>Regarding the company\u2019s cybersecurity incident, core operations including production, shipment, and customer support are functioning without issues, and no significant impact on earnings for the fiscal year ending March 2026 is expected.<\/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":"6857","jir_company_name":"Advantest Corporation","jir_importance":"\u2605\u2605\u2605\u2605\u2606","jir_publication_date":"2026-03-04","jir_source_link":"https:\/\/japanir.jp\/wp-content\/uploads\/2026\/03\/6857-20260304-01.pdf","jir_short_summary":"Regarding the company\u2019s cybersecurity incident, core operations including production, shipment, and customer support are functioning without issues, and no significant impact on earnings for the fiscal year ending March 2026 is expected.","jir_summary":"### Incident Status and Response\nThe company reports on the recovery status of affected systems and operations due to the cybersecurity incident in certain systems. Core operations, including production, shipment, and customer support, are operating normally. The company has collaborated with external cybersecurity experts to conduct investigation, containment, and remediation. Relevant authorities have been notified, and it has been confirmed that unauthorized intruders have been removed. Potentially affected systems have been isolated, and other systems have been proactively shut down for analysis.\n\n### Outlook and Customer Response\nAt this time, no significant impact on earnings for the fiscal year ending March 2026 is expected from this incident. The company continues to work with global cybersecurity specialists to investigate any unauthorized access or data leakage. Affected stakeholders will be contacted as appropriate. Ensuring system security and providing reliable products and support to customers remain top priorities, and the company will work closely with customers to manage the response.","jir_financial_highlights":"Impact on Earnings for Fiscal Year Ending March 2026: No significant impact expected (Unknown)","jir_category":"","jir_hashtags":"#Advantest, #Cybersecurity, #GeneralIR","jir_key_figures":"Earnings Impact for Fiscal Year Ending March 2026: No significant impact expected\nExchange Rate (JPY\/USD): 0.006342762907522517 (as of 2026-03-03)\nConfirmation of Unauthorized Intruder Removal: Verified by external experts","jir_meta_title":"Advantest Corporation Cybersecurity Incident Update No Significant Impact on Earnings for FY March 2026","jir_meta_description":"Advantest Corporation announces an update on a cybersecurity incident. Core operations continue to function normally, and no significant impact on earnings for the fiscal year ending March 2026 is expected.","jir_og_title":"Advantest Cybersecurity Incident Update","jir_og_description":"Core operations are running normally. No significant impact on earnings announced as of now.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":6854,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"general_ir","footnotes":""},"sector":[],"importance":[],"class_list":["post-33213","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 Regarding Cybersecurity Incident (Update) - 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-6857\/ir\/6857-20260304-01_wp_general_ir\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/japanir.jp\/en\/company\/company-6857\/ir\/6857-20260304-01_wp_general_ir\/\",\"url\":\"https:\/\/japanir.jp\/en\/company\/company-6857\/ir\/6857-20260304-01_wp_general_ir\/\",\"name\":\"Notice Regarding Cybersecurity Incident (Update) - 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