SET President Apologizes Following Data Leak Affecting 200,000 Investors

As reported by Prachachat Business on July 28, 2026, Asadej Kongsiri, President of the Stock Exchange of Thailand (SET), has publicly apologized to approximately 200,000 investors following a data leak at the Thailand Securities Depository (TSD).

According to the SET, the breach involved the exposure of investor information. President Kongsiri stated that, as of the time of the announcement, there have been no reports of financial damage resulting from the incident. In response to the security failure, the SET has committed to upgrading its cybersecurity infrastructure and implementing continuous development measures to better protect investor data moving forward.

For residents and expatriates in Thailand, this incident highlights the importance of monitoring personal financial accounts for any unusual activity, even if the exchange reports no immediate losses. While the SET has taken responsibility and promised improvements, the full extent of the data compromised and the specific nature of the security vulnerability remain under investigation. Investors are advised to stay updated through official SET channels regarding any further security protocols or recommended actions for those affected by the breach.