KT Corporation

KT Corporation (formerly Korea Telecom) is a South Korean telecommunications company founded in 1981, headquartered in Seongnam, South Korea. KT conducts quantum communications research deploying quantum key distribution (QKD) networks and quantum-safe security for telecommunications infrastructure. The company demonstrated quantum cryptography implementations and quantum network trials in South Korea. KT collaborates with Korean quantum technology companies and research institutions advancing quantum communications commercialization. The company explores quantum networking for 5G security and future telecommunications infrastructure. KT serves Korean telecommunications markets, enterprise customers, and government agencies requiring quantum-safe communications. KT contributes to South Korea quantum technology strategy advancing quantum communications and quantum security for telecommunications industry positioning South Korea as quantum technology leader protecting telecommunications networks against quantum computing threats.