Quantum computing and cyber defense

Its implications for cyber defense

On October 23, 2019, Google announced that it had managed to achieve quantum supremacy, that is, that it had developed a computer capable of solving a problem that a traditional computer would not have been able to solve in a fixed time. Specifically, they claimed to have carried out, using quantum computing, and in just 200 seconds, a calculation that would have taken a current computer about 10.000 years.1 This news, beyond the differences that may exist between the different manufacturers of this technology about the extent to which it really reflects the acquisition of quantum superiority, was a milestone of great relevance for the quantum technology development race that we live in today. present. Also for cybersecurity.

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