With the DPS protocol 21, the information-carrying quantum state is defined over many pulses from a coherent laser source. The sender, conventionally called Alice in the field of cryptography, ...

Quantum key distribution Researchers at Heriot-Watt University in Edinburgh, UK generated a secure key containing over a million bits and used it to securely share an image between four users in the ...

A future in which quantum computers are commonplace might seem like an optimistic fantasy, but it could also involve hackers using those computers to steal important information. To thwart would-be ...

A team of physicists at the Hebrew University of Jerusalem has made a breakthrough that could bring secure quantum communication closer to everyday use—without needing flawless hardware. A major ...

Andrew Jenkins has worked as an information analyst for an intelligence agency in Washington, D.C., for over 14 years. He is the author of the 2022 book, The Devil Made Crypto. Follow him on LinkedIn.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. China has the quantum technology to perfectly encrypt useful signals over distances far vaster ...

FORT MONMOUTH, N.J. -- Whenever a Warfighter is required to drive through theatre in Iraq or Afghanistan, there is always risk involved, including the detonation of improvised explosive devices. To ...