Quantum Hackers Use Lasers to Crack Powerful Encryption Without Leaving a Trace -- Popular ScienceQuantum cryptography is one of the most secure known means of transmitting data, due to the fact that even if a third party does intercept a quantum signal, that interference changes the encryption key, making the tampering apparent to parties at both ends. But a handful of quantum hackers at Norwegian University of Science and Technology in Trondheim recently performed successful hacks of two commercial quantum cryptographic systems -- and they did so without leaving a trace.
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