A microphone with a disklike attachment that is used for listening to audio from great distances is known as a(n):
A microphone that is installed on a common wall adjacent to the target area when it is impractical or impossible to enter the target area is known as a:
Which method of protection against telephone line eavesdropping is most reliable?
The unauthorized acquisition or dissemination by an employee of confidential data critical to his or her employer is known as:
The term "eavesdropping" refers to:
Which of the following is not a legitimate purpose of an investigation for employee misconduct?