Quantum computing threatens telecoms by breaking PKI encryption, risking “store now, decrypt later” attacks, code signing breaches, and key management exploits. 5G’s open architectures, IoT growth, and legacy network integration expand vulnerabilities, while current PQAs face performance and longevity concerns. Arqit’s Symmetric Key Agreement platform offers a quantum-safe, standards-compliant alternative using AES-256 and hybrid cryptography. It integrates with existing infrastructure, enabling secure cloud, IoT, and 5G communications without costly rip-and-replace, helping operators begin a proactive, low-disruption journey to quantum safety today.

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