Preparing for the Quantum Storm

Whether or not they'll ever work, quantum computers pose a big enough threat to online security that cryptographers are already scrambling to adapt.

Try not to panic, but quantum computers stand poised to upend today’s information technology infrastructure. These revolutionary machines, though likely at least a decade off, could handily crack the encryption codes that protect everything from email to online shopping and banking, even classified government documents.  “With quantum computers, there is a real danger that the encryption algorithms we use today may be compromised,” says quantum physicist Andrew Shields of ...

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