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LG Uplus announced on December 31 that its post-quantum cryptography (PQC)-based SDN interface and NTRU lattice-based digital signature scheme, SOLMAE, have been adopted as domestic standards by the Telecommunications Technology Association (TTA). The first standard links quantum-resistant cryptographic equipment with software-defined networking systems, developed through a quantum testbed project led by the National Information Society Agency (NIA).

It enables real-time monitoring, certificate management, and policy configuration, enhancing security in 5G and 6G networks, data centers, and national backbone networks. The second standard, SOLMAE, meets NIST security requirements and protects information against quantum computing threats. LG Uplus plans to launch pilot projects with public institutions and financial companies next year, expanding applications to sectors such as 6G communications and smart factories.