Quantum computers could crack the security codes used by satellites

By Panagiotis (Panos) Vlachos, PhD Researcher in Post-Quantum Cryptography, Queen's University Belfast

Satellites are the invisible backbone of modern life. They guide airplanes, help us find our way with GPS, deliver TV and internet, and even help emergency services respond to disasters. But a new kind of computer – quantum computers – could put all of this at risk.

Quantum computers are not just faster versions of today’s computers. They work in a completely different way, using the peculiar rules of quantum physics. While they have…

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