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This field test validates the practical integration of entanglement-based Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC) into existing fiber-optic infrastructure without requiring costly overhauls. By sustaining autonomous secure key exchange for 22 days, the deployment demonstrates a viable pathway for protecting sensitive healthcare data against future quantum-enabled cyber threats while maintaining compatibility with standard VPN tunnels.
Researchers Secure Healthcare Data Using Quantum Networks over Fibre
For twenty-two consecutive days, secure data flowed between a German hospital and rural clinic using only existing fibre optic cables, a feat previously hampered by unstable connections and complex key management. This network uniquely combines quantum encryption with standard VPN technology, bypassing costly infrastructure overhauls to protect sensitive patient information. By injecting quantum keys directly into these tunnels, it demonstrates a viable path towards safeguarding vital services against future cyber threats.
Over 140km of fibre in Thuringia, Germany, a quantum-secure network integrates entanglement-based Quantum Key Distribution (QKD) and end-to-end Post-Quantum Cryptography (PQC). This new architecture injects QKD keys directly into standard VPN tunnels, enabling PQC to secure communication without modifying existing infrastructure. A field deployment connected a rural health kiosk to a university hospital and achieved continuous autonomous operation for 22 days. Vasile-Laurentiu Dosan from Quantum Optics Jena…
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