The letter "X" is used for multiplication in Excel.

Most PKIs use a web of trust model

Indicate whether the statement is true or false

The internal audit group discovered that unauthorized users are making unapproved changes to various system configuration settings. This issue occurs when previously authorized users transfer from one department to another and maintain the same credentials. Which of the following controls can be implemented to prevent such unauthorized changes in the future?

A. Periodic access review B. Group based privileges C. Least privilege D. Account lockout