An organization`s senior management is encouraging employees to use social media for promotional purposes. Which of the following should be the information security manager`s FIRST step to support this strategy? 

Answer options:

A. Incorporate social media into the security awareness program.
B. Develop a guideline on the acceptable use of social media.
C. Develop a business case for a data loss prevention (DLP) solution.
D. Employ the use of a web content filtering solution.

B