Symphony Communication Public Company Limited provides circuit communication services in Thailand, Southeast Asia, and internationally. Its offerings include domestic and international network connectivity, internet services such as direct internet, SME broadband, internet exchange, and IP transit, as well as data center and cloud services like cloud infrastructure as a service, backup as a service, DR as a service, and cloud direct connect. The company also provides managed security services, including network security (appliance firewall, virtual firewall, anti-DDoS), IT security (endpoint detection and response, data loss prevention, web application firewall), and cybersecurity services (vulnerability assessment, penetration testing, awareness training, digital risk protection, log monitoring, and incident response). Additionally, it offers ICT solutions such as wireless solutions and cloud PABX. Incorporated in 2005, the company is headquartered in Bangkok, Thailand.