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| Quantum Dots |
NEW SCIENTIST: WHEN Vadim Makarov boards an aircraft, he carries with him a bright yellow suitcase. Inside is a jumble of wires and connections, and a large black-and-white symbol that looks unnervingly like a skull and crossbones.
But while the contents of his suitcase might give airport security staff cause for concern as it passes through their X-ray machines, it poses no threat. Instead, Makarov uses it to eavesdrop on quantum cryptography systems, which transmit top-secret information in networks across the world. Fortunately, his mission is benign. Makarov, a researcher at the Norwegian University of Science and Technology in Trondheim, hopes to detect loopholes in these quantum networks before they are spotted by hackers.
Some may regard his job as unnecessary. Quantum cryptography is meant to harness the laws of quantum mechanics to catch eavesdroppers before they can do damage. For this reason, it has often been hailed as "uncrackable" ...
1. University Quantum Hacking Group
2. Quantum hacking: experimental demonstration of time-shift attack against practical quantum key distribution systems
3. Quantum Key Distribution and Quantum Hacking (PPT-PDF)
4. Quantum Cryptography
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