Joe has been in the same IT position for the last 27 years and has developed a lot of homegrown applications that the company utilizes. The company is concerned
that Joe is the only one who can administer these applications. The company should enforce which of the following best security practices and avoid Joe being a
single point of failure?

A.
Separation of duties

B.
Least privilege

C.
Job rotation

D.
Mandatory vacation