A team of researchers from University of Toronto Engineering has discovered hidden multi-dimensional side channels in existing quantum communication protocols. The new side channels arise in quantum ...

Switching to an encrypted second communication channel from the first communication channel in response to receiving an encrypted communication initiation request, wherein the encrypted communication ...

A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...