Professor Jeremy O'Brien, Director of the University of Bristol's Centre for Quantum Photonics, and his Japanese colleagues have demonstrated a quantum logic gate acting on four particles of light -- photons. The researchers ...
Quantum Physics
Jun 24, 2011
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US spy master Keith Alexander on Friday courted hackers at an infamous Def Con gathering rife with software tricksters wary of police and ferociously protective of privacy.
Internet
Jul 27, 2012
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(Phys.org) —Researchers at the University of Alabama at Birmingham (UAB) have uncovered new hard-to-detect methods that criminals may use to trigger mobile device malware that could eventually lead to targeted attacks launched ...
Security
May 16, 2013
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Quantum secure direct communication transmits secret information directly without encryption. Recently, a research team led by Prof. Gui-Lu Long from Tsinghua University proposed a measurement-and-device-independent quantum ...
Quantum Physics
Oct 11, 2018
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The new billion-dollar epicenter for fighting global cyberthreats sits just south of Salt Lake City, tucked away on a militia base at the foot of snow-capped mountains. The long, squat buildings are filled with super-powered ...
Internet
Jun 13, 2013
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The US government's vast online data collection system revealed this week could tap into companies like Google and Facebook without the knowledge of top executives, experts said.
Internet
Jun 8, 2013
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President Barack Obama is directing his national intelligence director to form a panel of outside experts to review government intelligence and communications technologies.
Internet
Aug 12, 2013
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Behind the walls of a high-security lab, the North Atlantic Treaty Organisation's top cyber-minds are trying to predict the evolution of conflict in an Internet-dependent world.
Internet
Apr 24, 2010
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The development of quantum computing means that the use of classic cryptography for secure communications is in danger of becoming obsolete. Quantum cryptography, on the other hand, uses the laws of quantum mechanics to ensure ...
Quantum Physics
May 10, 2023
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Computer security specialists warn that Facebook users have been hit with a series of data-stealing attacks in the past week as cyber crooks increasingly stalk social-networking websites.
Internet
Mar 3, 2009
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