Sejong Telecom, Inc. provides integrated telecommunication services in South Korea. Its offerings include data services such as domestic leased lines, international private leased circuits, global SD-WAN, Internet leased lines, and Internet data centers, as well as voice services including international and Internet calling and value-added services. The company also offers Snowman, a mobile virtual network operator (MVNO) service, and Global Friend, a lifestyle platform for communicating with friends. In addition, it provides ICT solutions such as Sejong Pay, an integrated payment service for sellers; BreachWall, a security solution that blocks malicious acts by analyzing computer operation principles; and Smart Biz, an integrated communication service for corporates. Sejong Telecom, Inc. was founded in 1992 and is headquartered in Seoul, South Korea.