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 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 ...

A claimed first-of-a-kind quantum key distribution network offers 800 Gbps encryption under real-world environmental conditions and has been demonstrated to detect and defend against quantum threats.

You’d be hard-pressed to find anyone in data security these days who doesn’t start to sweat when they hear the word “ransomware”—malicious software that harvests data in exchange for cash or, in today ...

From applications in hospitals to automated cash machines, encryption is a crucial and ever-growing part of our digital world. It's what makes information interchange between different organisations ...

The Kerberos authentication protocol is the default authentication protocol of Windows Server 2003. This section examines how the protocol works by breaking down the complexity of the protocol into ...