How Do I Know If I've Been Bugged? by Monty Henry
... If eavesdropping on anything you say, write, or do could increase someone else's wealth or influence, then the answer is yes, you are a potential target. 2. Others know your confidential business or professional trade secrets. This is the most obvious indicator of covert eavesdropping activities. Theft of confidential information is a multi-billion dollar underground industry in the United States. Often the loss of your secrets will show up in very subtle ways so you should always trust ...