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"Quantum-safe networks: today and into the future"

Future-proof your network: Nokia’s quantum-safe solutions defend against tomorrow’s threats with layered encryption, secure key exchange, and quantum-resilient architecture

As quantum computers continue to advance, they will pose a significant threat to cybersecurity. Most communications infrastructure presently using encryption to protect confidentiality are already vulnerable to a harvest now, decrypt later attack by any adversary capable of eavesdropping on encrypted data. This is because the current method of generating asymmetric encryption keys to protect the confidentiality is already known to be exposed as soon as a strong enough quantum computer is available.

Quantum computers can perform calculations immensely faster than classical computers, allowing cyber criminals to break public key-based encryption algorithms and perform cyber-attacks that are currently not possible. Decision makers responsible for telecommunications infrastructure need to immediately inventory and prioritize which portions of their networks are most at risk and provide countermeasures to assure that today’s customers’ data is staying secure from future unauthorized decryption.

Nokia’s Quantum-Safe Networks offer a solution to this challenge by allowing parties to securely exchange keys that can be used to encrypt and decrypt data. This paper describes the threats and countermeasures already available and additional technologies under development that will complement these protections. Together, this forms a quantum-safe, defense-in-depth protection well into the future.

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