While on the show, the designers are prohibited from leaving the apartments without authorization, making unauthorized communication with family or friends, or using the Internet to research designs.

He knew that, although these unauthorized personal communications through official channels were prohibited, they were commonplace among professionals.

"Why wouldn't we have picked up an unauthorized communication?"

Marlow read, " 'This is an unauthorized communication.

There were no faults and no log records of unauthorized communications.

The unauthorized communication by anyone of "Restricted Data", or an attempt or conspiracy to communicate such data, is prohibited.

In Washington, leaks are weapons and a favored if curious form of unauthorized communication.

Sensors were installed in the ceilings to detect cellular signals to prevent unauthorized communications and bugging by mobile phones, personal digital assistants, and other devices.

One of the easiest and, arguably, the most difficult to trace security vulnerabilities is achievable by transmitting unauthorized communications over specific radio frequencies.

"Specifically, the equipment it has for blocking unauthorized communications."