The threat to internet security from quantum computing

John Leonard
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Like nuclear fusion, universal quantum computers always seem to be five years away. But as John Leonard reports, a major breakthrough may not be far off, and for internet security nothing will be the same again

The heady, Bondesque combination of espionage and quantum computing proved irresistible to headline writers everywhere. "NSA racing to build quantum computer that would open the door to easily brea...

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