There is a problem with most cryptographic systems, it's not new and it affects most systems.

Most formal definitions of a "Perfect security" within cryptography (think One Time Pads) still allow for a few things to be leaked; the size of the messages, the sender and receiver of the messages …

On the 21st of December 2016, the Attorney-general's Department requested submissions regarding the use of telecommunications data held by a service provider solely for the purpose of complying with the mandatory data retention regime in civil litigation. The original closure date for submission was the 13th of January but it's …