Joanna Is a Responsible and Secure Computer User

Joanna is a responsible and secure computer user. Joanna knows that all of the following are TRUE about securing data, EXCEPT: ____.

A) Companies often establish password-protected locations on hard drives.
B) It is always evident when some kind of computer crime or intrusion has occurred.
C) Unauthorized access is more likely to be caused by people who gain access through a written or shared password than by guessing your user name or password.
D) You should change your password frequently.