Stock Exchange of Thailand Confirms Trading Systems Unaffected by Microsoft 365 Outage

The Stock Exchange of Thailand (SET) has officially confirmed that its core infrastructure remains fully operational following the recent global Microsoft 365 service disruption. According to Thiraphun Sappakit, the SET's Chief Information Officer, the technical issues experienced with Microsoft 365 have not impacted the exchange's critical functions, including securities trading, clearing, settlement, and the disclosure of listed company information. The disruption was limited solely to email communication services, which operate on a separate network from the exchange's primary trading platforms. For residents and investors, this means that market activities have continued without interruption. The SET emphasized that it maintains robust risk management protocols and has implemented alternative communication channels to ensure business continuity during such technical incidents. While the exchange has successfully mitigated the impact of this specific software outage, it continues to monitor the situation to ensure all systems remain stable. No further disruptions to financial services have been reported, and the exchange remains fully functional for all market participants.