[Grampa Dave]

Thanks. For the Clarification. The way I read your response, there was no way to avoid be monitored.

Scif rooms or areas can stop the monitoring.

What is a SCIF or Sensitive Compartmented Information Facility?

www.adamoconstruction.com/what-is-scif.php

Simply stated, a SCIF is a U.S. Government accredited facility where Sensitive Compartmented Information (SCI) can be stored, discussed or electronically ...

[9YearLurker]

You are still underestimating the breach capabilities of pretty much any regular modern communications.

[itsahoot]

Ultimate SCIF