TOKYO, Mar 25 (Pulse News Wire) – Dainichiseika Color & Chemicals Mfg.co.,ltd. (4116.T) reported today that its Vietnamese subsidiary, DAINICHI COLOR VIETNAM CO., LTD., experienced a cyber incident on December 15, 2025.
Following investigations conducted with external experts, encrypted files within the subsidiary’s data servers and computers were identified, affecting financial and tax data, various reports submitted to administrative bodies, and import/export documents. Despite no direct evidence of data leakage, the company notified potentially affected customers sequentially due to the uncertainty surrounding the breach.
The company stated that the main manufacturing and shipping operations of the subsidiary remain unaffected and continue normally, with minimal impact on group performance. In response to the incident, Dainichiseika has completed measures addressing network vulnerabilities exploited during the attack.
Moving forward, the company plans to enhance cybersecurity through rebuilding information systems, implementing advanced security protocols, and providing continuous training for employees to improve overall awareness and preparedness.
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