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Submission + - Hackers blind quantum cryptographers (

Martin Hellman writes: According to an article in Nature magazine, Quantum hackers have performed the first 'invisible' attack on two commercial quantum cryptographic systems. By using lasers on the systems — which use quantum states of light to encrypt information for transmission —" they have fully cracked their encryption keys, yet left no trace of the hack."
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Hackers blind quantum cryptographers

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"Necessity is the mother of invention" is a silly proverb. "Necessity is the mother of futile dodges" is much nearer the truth. -- Alfred North Whitehead