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Hackers Test Quantum Cryptography Security

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TRONDHEIM, Norway, Sept. 15, 2010 — A new technique that exploits imperfections in quantum cryptography systems has been developed and tested by the Norwegian University of Science and Technology (NTNU), the University of Erlangen-Nürnberg and the Max Planck Institute for the Science of Light. Countermeasures were also implemented within an ongoing collaboration with leading manufacturer ID Quantique. A security researcher (PhD student Lars Lydersen) is testing a commercial quantum cryptography system in a laboratory, to confirm the security vulnerability. (Image: NTNU) Quantum cryptography is a technology that...Read full article

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    Published: September 2010
    Glossary
    optical fiber
    Optical fiber is a thin, flexible, transparent strand or filament made of glass or plastic used for transmitting light signals over long distances with minimal loss of signal quality. It serves as a medium for conveying information in the form of light pulses, typically in the realm of telecommunications, networking, and data transmission. The core of an optical fiber is the central region through which light travels. It is surrounded by a cladding layer that has a lower refractive index than...
    cryptographic keydefenseDr. Vadim MakarovEuropefiber opticsGerd LeuchsGermanyGrégoire RibordyHeisenberg unvcertainty principleID Quantique Clavis2 systemsMagiQ Technologys QPN 5505Max Planck Institute for the Science of LightNorwegian University of Science and Technology (NTNU)observation causes perturbationoptical fiberoptical networksOpticsphoton detectorquantum cryptographyquantum physicsResearch & Technologysecurity technologySensors & DetectorsTest & MeasurementUniversity of Erlangen-Nürnberg

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