Economics is a field that studies how to design a work environment that promotes employee health, safety, and productivity.

The states that code should be granted only the amount of access needed to accomplish its designated task.

Fill in the blank(s) with the appropriate word(s).

A ____ is a piece of software that allows an unauthorized user to override security and get administrator access to a computer.

A. worm B. rootkit C. virus D. Trojan horse