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According to The Nation, citing confirmation from the Thailand Securities Depository (TSD), unauthorized access to its Investor Portal exposed personal and account information belonging to approximately 200,000 investors .
Diamond Electric Holdings announced that its Thai subsidiary suffered unauthorized access on September 8, 2025, resulting in local servers and several personal computers being encrypted by ransomware .
According to The Record, citing confirmation from the Permanent Secretary of Thailand's Ministry of Labour, the ministry's website was compromised and defaced before being briefly taken offline and restored .
According to The Nation, citing Thailand's personal data protection regulator, Bangchak discovered unauthorized access to its customer feedback system on April 9, 2025 .
Hanwa Co.