Omikenshi Co., Ltd. determined there is a significant deficiency in internal control over financial reporting for the fiscal year ended March 2026 that should be disclosed. A cyberattack caused suspension of related systems and delayed closing procedures. 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A cyberattack caused suspension of related systems and delayed closing procedures. Remediation measures are being implemented; corrections affecting the consolidated financial statements have been made and the audit opinion is unqualified.","jir_summary":"### Summary of the Event\nOmikenshi Co., Ltd. determined that there is a significant deficiency in internal control over financial reporting for the fiscal year ended March 2026 and judged the control to be ineffective. The cause was a cyberattack that occurred on March 16, 2026, which disrupted access to internal data including core systems. The company is investigating the root cause with external experts and implementing and reviewing measures to prevent recurrence. This resulted in delays in the closing procedures.\n\n### Impact and Future Actions\nCorrective measures have already been prepared and put into operation. The company is enhancing cybersecurity, including strengthening multi-layered defenses and monitoring systems. Corrections affecting the consolidated financial statements and financial statements as of the end of March 2026 have been reflected. The audit report expresses an unqualified opinion. The company will continue to ensure steady operation of the corrective measures.","jir_financial_highlights":"No response: Unknown (Unknown)","jir_category":"","jir_hashtags":"#ShareBuyback, #ExecutivePersonnel","jir_key_figures":"Key Figure 1: Unknown (No specific monetary impact on the financial statements disclosed)\nKey Figure 2: Unknown (No dates or numerical details of the delays in closing procedures disclosed)\nKey Figure 3: Unknown (No quantitative scope of damages or impact disclosed)","jir_meta_title":"Omikenshi Co., Ltd. \u2014 Notice of Significant Deficiency in Internal Control over Financial Reporting | September 2026","jir_meta_description":"Omikenshi Co., Ltd. announced a significant deficiency in internal control over financial reporting for the fiscal year ended March 2026 due to a cyberattack. Summary of the impact, remediation measures, effects on consolidated financial statements, and the audit opinion.","jir_og_title":"Omikenshi Co., Ltd. \u2014 Notice of Deficiency in Internal Control over Financial Reporting","jir_og_description":"Disclosure of the delay in financial reporting caused by a cyberattack and the remediation policy for the internal control deficiency. Explains future corrective measures and operational status.","jir_og_image_url":"\/assets\/og\/company-general_ir.jpg","jir_chart_data_collection":"[]","ir_related_company":61299,"ir_release_date":"","ir_type":"","ir_is_new":false,"ir_document_url":"","jir_ir_type":"disclosure_update","footnotes":""},"sector":[],"importance":[],"class_list":["post-124295","ir_release","type-ir_release","status-publish","hentry"],"yoast_head":"\n