Major players trial quantum-safe cryptography via satellite

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Colt Technology Services, Honeywell, and Nokia have announced a strategic partnership to trial quantum-safe networking using satellite technology. This collaboration aims to address the security risks posed by quantum computing, which could compromise traditional encryption systems. The project will test quantum key distribution (QKD) via low earth orbit satellites to support secure data transmission over long distances, overcoming the geographic limitations of terrestrial networks.

As quantum computing advances, it threatens to render conventional cryptographic algorithms obsolete by solving complex mathematical problems at unprecedented speeds. QKD offers a potential solution by enabling the secure sharing of encryption keys. However, current implementations are limited to around 100 kilometers due to fiber optic constraints. By deploying satellite-based QKD, the companies aim to extend secure communication globally, including across transatlantic networks.

This initiative is expected to benefit sectors that manage highly sensitive data, including finance, healthcare, pharmaceuticals, and government. The partnership builds on Colt’s recent pilot of terrestrial quantum-secure networking and demonstrates a proactive approach to future-proofing cybersecurity infrastructure.

Each company brings a unique strength to the project. Colt focuses on customer-centric digital infrastructure, Honeywell leverages over 50 years of aerospace innovation, and Nokia offers deep expertise in optical networks. Together, they aim to enable secure digital transformation in a quantum computing era.

A white paper titled The Journey to Quantum-Safe Networking has been released, detailing the trial’s scope and the broader implications of quantum cryptography. The trial marks a significant step toward resilient, secure global communications.

Author: Ernestro Casas -

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